read all the latest battery information and tips here.

Must-Have Power Tools for Women

More and more single women are buying homes and doing fix-it work around the house. These power tools are must-haves for females who are beginner DIYers.

Power tools battery sales for USA leading battery shop: g-batteryshop.com

  • The first tool most women buy is a cordless screwdriver. A lower volt cordless drill (also known as a drill/driver) can do the same work. Bit kits for the drill/driver are nice to have because they keep all the bits organized. Women might consider choosing a lower voltage drill because they’re not as heavy as the higher voltage options. When shopping for a drill, make sure to pick them up while the cordless power tools battery is attached to accurately assess their weight. Drills can be used to drill, drive screws and power accessories like paint stirrers.
  • A detail sander and an orbital sander are lightweight sanding tools for finishing. The detail sander allows access to corners that the orbital sander can’t. Hook and loop sanding pads make it easy to change grits. Sanders are good to use for furniture refinishing or other types of projects that would concern wood finishing.
  • An 18-volt circular saw is a light power saw for odd jobs around the house. It has a laser guide to help make the cut in the right place. This tool is a good choice for making bookshelves or almost any job where basic straight cuts are involved.
  • Use a jigsaw to make curved cuts. Jigsaws come in either corded or cordless versions.

Cordless Drills & Tool kits

Cordless drill & tool kit guide

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After months of drilling holes, driving screws, and rip-sawing lengths of pine beams, we found some heavily promoted cordless tools to be light on performance. But others were up to the task. Something to look for: More cordless drills and tool kits feature lighter or longer-running lithium-ion cells.

Cordless drill & tool kit features

The most capable drills and drivers have long run times, letting you do more work with fewer pauses to charge or change batteries. Recharge times of 30 minutes or less are another advantage. Some manufacturers offer a variety of tools without batteries and chargers so that you can power them with the ones you might already have. Here are the cordless drill features to consider.

Batteries

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All but the least-expensive drills come with two batteries so you can use one while the other is charging. While you can’t share batteries and chargers between brands, Craftsman’s and DeWalt’s 18-volt tools let you use each brand’s lithium cells in its 18-volt, nickel-cadmium tools. Both brands, and Black & Decker, also let you buy drills, saws, and other tools without batteries and chargers, saving you money by letting you share both among multiple tools as you would with a cordless kit.

Battery charger

A “smart” charger on many models can recharge the battery in 15 to 60 minutes, compared with three to five hours or more for conventional chargers. It also helps to extend battery life by adjusting the charge as needed. A few models can charge two batteries at once-handy for big projects. The box typically lists the recharge time.

Battery-charge indicator

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More models now have a meter that indicates the remaining charge. This feature is especially helpful with lithium-ion batteries, which can be damaged if you allow them to run down fully before recharging.

Speed ranges

Many cordless drills have a low speed range with more torque, or twisting force, for driving screws and a high-speed range with added speed for drilling. All have a variable-speed trigger to make starting a hole easier, and most have an adjustable clutch that reduces maximum torque to avoid driving a screw too far into soft wood or wallboard. All are reversible-handy for freeing a stuck drill bit.

Chuck size

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Many cordless drills have a 3/8-inch chuck, but heavier-duty models have a 1/2-inch chuck for larger, 1/2-inch drill bits. Note that large-diameter bits are available with a reduced shank to fit smaller chucks.

Extra handle

Some models have a second, side handle so that you can hold the drill with two hands-helpful for counteracting twisting force when tightening or loosening.

Built-in LED work light

This can be handy in dark places, flooding the work area with light. Many kits include a separate work light.

Kits

Most makers bundle their drills with other tools in kits that typically include circular and reciprocating saws and a flashlight in a carrying case. Some kits are a good deal, while others are a collection of mediocre tools.

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Hot Rodding a Power Drill Battery

Intro Hot Rodding a Power Tools Battery

So, your power drill battery dies. What now? Fork over 85 bucks for a new one? I don’t think so. After searching high and low on the internet for a good price for a replacment battery I found the retail for my Black & Decker 14.4V to range from 35-85 dollars. Riiiight. Time to make your own!

At this point it would be good to mention you should really discharge the pack before you continue. Don’t play with electricity unless you know what you are doing!

step 1  Let’s find out what is inside!

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I had a little brainstorm and decided to open this thing up and see what makes it tick. It’s funny, I always thought there would be some mystical magical component of power tool batteries that justified the outrageous prices…you know, custom made or ethereal glowing lights or little elves or something. Turns out they are just a rip off.

Fortunately for me the internals were looking familiar, a simple set of “Sub C” rechargable NiCd cells from my RC car racing days. I used to build my own racing battery packs so I couldn’t help applying that here.

I had visions of using batteries that power world championship RC cars and transform my moderately powered Black & Decker into a drill that would make screws and yet-to-be-drilled holes tremble with unspeakable fear.

When you open the battery you’ll need to save some plastic bits detailed below. Don’t break them.

step 2  Replacement Sub C Cells

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At this point I came back to reality. The racing batteries alone would cost a hundred bucks. So, I settled on a brand name NiCd cell from GP. The main difference from the stock batteries is that these are 2000 mAh cells and the stock ones are only 1700 mAh…so I should get more run time…basically a bigger gas tank.
In case you aren’t good at math, a 14.4 battery takes 12 1.2V cells to make up a pack.

step 3 Battery Bars

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I only needed 10 to assemble one pack, but I have another drill battery waiting do die. So, that’s five bucks for the bars and up to $26.48 total. Still ten bucks shy of the best retail price I could find ($35.00) Incidentally that price was direct from Black & Decker.

step 4  A Bit of Wire…

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Finally we have some 14AWG high flexibility silicone wire from another RC company.

Just had this lying around and I only needed about 3 inches so let’s call it free.

I would recommend using good quality wire here. Your battery will only be as good as the weakest link. I prefer not to have any weak links. This will also be a likely spot for a meltdown if your wire is not up to the task.

step 5  On to the Assembly

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I paried the cells and bound them with electrical tape just to make them easier to solder together. These buggers are a little hard to hold on to.

Don’t forget to tin both ends of the battery before you try and attach the bars. A drop of flux and a drop of solder, not too much though.

I should mention that you will need a pretty serious soldering iron to get this job done. Don’t overheat the battery…kind of a catch 22 here.

step 6  Now the tricky part…

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After getting the battery assembled I removed the electical tape. The bars are very rigid and have no problem holding the pack together. Soldering the bars on and getting everything to line up is the hard part. Be patient.

The real tricky part is the cell that sits on top of the pack.(red wire attached) This top-most battery sticks up into the shank of the battery case. The little black plastic bit houses the stock connectors that mate with the actual drill and charger…so save that and be careful not to brake it.

The top battery needs to be attached to the battery direcly below it and sit slightly offset . Black & Decker accomplishes this with another plastic part that I tossed. I used one of the stock battery bars that I pulled off the stock battery pack since they were thin and flexible. Both batteries were soldered to the sock bar while they were sitting next to each other. Then, to move the one onto the top, I just folded the battery bar in half…clear as mud…I guess I should have taken a picutre. Finally I wrapped the bottom of the top battery with electrical tape to prevent any shorting.

step 7  You’re done!

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Well, that’s it. Took about two hours from start to finish and it went back into the case quite nicely. The Novak battery bars came with stickers. I love that, so I put a Novak sticker on this one so I would know which pack was my uber pack. Charged it, put it into the drill and it runs like a champ.

You can hear the difference compared to the stock battery. This puppy is just begging for some heavy drilling. Time to pull some screws out of a big crate.

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Cordless power drills & power tools kits care guide

Power Tools Batteries, Cordless Drill Batteries, Dewalt Power Tools Batteries, Makita Power Tools Batteries, Bosch Power Tools Batteries, Milwaukee Power Tools Batteries for USA power tools users.
Power Tools Battery Shop High Quality and Superb Service, Season Promotion, 35% discount

Cordless power drill & power tools kits care guide

After months of drilling holes, driving screws, and rip-sawing lengths of pine beams, we found some heavily promoted cordless tools to be light on performance. But others were up to the task. Something to look for: More cordless drills and tool kits feature lighter or longer-running lithium-ion cells.

Cordless power drill & power tools kit features

The most capable drills and drivers have long run times, letting you do more work with fewer pauses to charge or change batteries. Recharge times of 30 minutes or less are another advantage. Some manufacturers offer a variety of tools without batteries and chargers so that you can power them with the ones you might already have. Here are the cordless drill features to consider.

Cordless Power Tools Batteries

All but the least-expensive drills come with two batteries so you can use one while the other is charging. While you can’t share batteries and chargers between brands, Craftsman’s and DeWalt’s 18-volt tools let you use each brand’s lithium cells in its 18-volt, nickel-cadmium tools. Both brands, and Black & Decker, also let you buy drills, saws, and other tools without batteries and chargers, saving you money by letting you share both among multiple tools as you would with a cordless kit.

Battery charger

A “smart” charger on many models can recharge the battery in 15 to 60 minutes, compared with three to five hours or more for conventional chargers. It also helps to extend battery life by adjusting the charge as needed. A few models can charge two batteries at once-handy for big projects. The box typically lists the recharge time.

Battery-charge indicator

More models now have a meter that indicates the remaining charge. This feature is especially helpful with lithium-ion batteries, which can be damaged if you allow them to run down fully before recharging.

Speed ranges

Many cordless drills have a low speed range with more torque, or twisting force, for driving screws and a high-speed range with added speed for drilling. All have a variable-speed trigger to make starting a hole easier, and most have an adjustable clutch that reduces maximum torque to avoid driving a screw too far into soft wood or wallboard. All are reversible-handy for freeing a stuck drill bit.

Chuck size

Many cordless drills have a 3/8-inch chuck, but heavier-duty models have a 1/2-inch chuck for larger, 1/2-inch drill bits. Note that large-diameter bits are available with a reduced shank to fit smaller chucks.

Extra handle

Some models have a second, side handle so that you can hold the drill with two hands-helpful for counteracting twisting force when tightening or loosening.

Built-in LED work light

This can be handy in dark places, flooding the work area with light. Many kits include a separate work light.

Kits

Most makers bundle their drills with other tools in kits that typically include circular and reciprocating saws and a flashlight in a carrying case. Some kits are a good deal, while others are a collection of mediocre tools.

Battery care: 10 things you can do to make any battery last longer

Battery care: 10 things you can do to make any battery last longer

As far as battery maintenance goes, I’m the worst ever. I can’t even begin to count the number of times I’ve needed to jump on my lap-top, use my cell phone or any other portable electronic device, only to find myself in the unenviable position of having no juice left on the battery. Simply put, I overuse, poorly maintain, and all in all just wear down all of the batteries I need like it’s going out of style.

These bad habits usually leave me powerless when I most need power, so I asked around and came out with these 10 simple things you can do to make any battery last longer.

laptop battery 
1. Use the lowest brightness settings on screen displays.
This will not work in bright areas like out doors, but sure works well indoors. Cell phones, laptops, and even watches have brightness controls that will help stretch the life of any battery.
2. Fully charge and discharge all of your batteries.

Try to avoid “topping off” the battery if there’s enough of a charge in there to get by, then remove the battery or unplug from the charger only after it has had a chance to trickle charge at 100%, and your battery will last 2 or 3 years easily.

3. Use programs that take less RAM and keep useless programs closed.

A lot of laptops come with cluttered programs since the day you take them home from the store. Stuff like Yahoo messenger or Firefox with 20 tabs open takes a lot of RAM and eats up batteries super fast.

4. Keeping the volume level on all of your music playing devices is key to a longer battery life.

You’ll be amazed at how much life loud music sucks out of your battery. This will also do wonders in preserving your ear-drums as well.

5. To go with #4, also turn down the volume on your cell-phone ringer.

Long ring-tones may sound cool, but hearing your favorite song play every time your phone rings will drain your battery in a hurry.

6. Turn off your Bluetooth whenever you’re not using it.

This can be an easy one to forget about if you’re often switching between using a Bluetooth, and the phone’s ear piece. Most people use their Bluetooth way too much anyhow, so cutting back on it’s use will lengthen the life of your battery.

7. I’ve always heard that when you get a new laptop, or anything with a rechargeable battery for that matter, you should charge it over night.

Pull that bad boy out of the box and give it a nice, long, healthy charge. Even if it says full, leave it in and charging for a while.

8. When I was little I would always find batteries in my grandmother’s fridge.

I always wondered why, turns out she was onto something. If you have extra batteries for your phone, laptop, or anything else, go ahead and store those in the refrigerator. Just make sure not to freeze them.

9. Programs that are run from a CD or DVD can be copied to and run from the hard drive, which typically consumes less power than an optical drive.

If you have music and movies you know know you’ll be playing numerous times, just rip them onto your hard drive and you’ll be styled!

10. Lastly, just using basic common sense will help extend the life of all of your batteries.

If you’re not using it, turn it off! If you don’t need it, get rid of it! This is probably the most practical and applicable way to get the most out of all of your batteries.

Laptop Batteries, Power Tools Batteries Maintenance & Care Tips:

How to Maximize Power Tools Battery Performance

Plan To Recondition Or Refresh Your Power Tool Batteries?

Battery maintenance tips: helping your batteries live a long and productive life

Power Tools Battery Maintenance Tips

How to Fix a Dewalt Power Tools Batteries

Toshiba laptop battery tips: How to Test the Capacity of Your Toshiba Laptop Battery

The Difference Between Nicad and NiMH Rechargeable Batteries

How to Pick the Right Laptop AC Adapter For Your Laptop

Monday, April 12, 2010 by g-batteryshop.com
laptop battery,replacement laptop batteryHaving select the correct laptop ac adapter for your laptop? Use this step by step guide to help you uncover your laptop’s model number, brand, and then order the right replacement laptop ac adapter for your laptop on our site.

Top 15 Ways to Extend Your Laptop’s Battery Life

Friday, March 20, 2009 by g-batteryshop.com
laptop batteries,laptop ac adapterLaptops tend to lose their charm quickly when you’re constantly looking for the nearest power outlet to charge up.  How do you keep your battery going for as long as possible?  Here are 15 easy ways to do so.Hopefully

How to Choose the Best Laptop for Your Business Needs

How to Choose the Best Laptop for Your Business Needs

There are several factors to consider when shopping for a laptop business computer. This article outlines all of the important considerations and has links to more information.

Aspects of a Business Laptop Computer

A laptop inherently comes with the benefit of portability, which is important, but not all laptops are created equal. It’s important to know your business and what your computers are being used for.

Performance

The whole reason behind using a computer is that it can store more information and do calculations faster than any human. Could you imagine keeping all of your Word and Excel documents in a filing cabinet?

Depending on what types of things you need the computer to do, you want to ensure that your business machine has certain specifications in terms of speed and memory.

Battery Life

A very important factor of laptops in general is the length of time that the laptop battery lasts.

Some have bigger batteries than others, and some use more power than others. Every notebook computer will provide you with an approximate battery life, but the amount of time you have before needing to plug it in ultimately depends on the computer’s make and model. Also, the number of programs you’re running.

Screen Size

If you’re like most people, the size of the screen will be an important factor to consider when looking to buy a laptop business computer. Laptop screen sizes range from 11 inches up to 20 inches (measured diagonally).

If you’re using the computer for presentations or viewing rich media like Flash files or movies, you may need a larger screen.

Another consideration is that the size of the screen typically determines the size of the notebook. Thus, if you want a small, sleek notebook, you’ll want to look for smaller screen sizes.

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Input/Output Selection

Examples of input devices are CD-ROM drives and USB ports, while output is speakers or headphone jacks and extended or secondary monitor output. Smaller laptops usually have fewer input and output options, which can be important depending on what you’ll be using the machine for.

Graphics

It is hard to fit all the components of a computer into a compact space. That’s why laptop graphics usually suffer when compared to those of a desktop business computer, but it is possible to get high end video output on your laptop if you need it.

Certain makes and models perform better in terms of graphics. For more information, contact an expert.

Portability

The smaller and lighter it is, the easier it will be to carry your computer to and from the office. Laptops come in a variety of sizes and weights, which, as mentioned before, is determined mainly by the screen size and performance level of the laptop.

Price

If you’re like most businesses, the actual price of a laptop notebook computer will be one of the main considerations in the decision.

Typically, laptops cost more than desktops. There is also a wide range of prices within laptops, all depending on what you’re looking for and what your business needs.

Classifications of Business Notebook Computers

Given the aspects of laptops listed above, it’s up to you to decide what your employees or colleagues need in a laptop computer.

The Super Portables

Laptops in this category are very small and can almost fit in your pocket (OK, maybe not THAT small). We find that upper management tends to like these types of laptops as they primarily use them for writing emails and reading online articles.

These laptop business computers will be super portable and have a smaller screen size, but will lack in all other aspects, especially battery life, performance, and input/output selection

The Light and Thins

These laptops are thin and light (hence the name). They are generally used for the frequent flyer or outside sales person who needs a portable computer.

These laptops will give you the power, battery life, and screen size you’re looking for at the right price. Unfortunately, you will probably find the input/output port selection to be thin, and the graphics won’t be top-of-the-line.

The Standard Notebook

This category encompasses the majority of laptops out there today.

The screen size is usually around 15 inches, which is perfect for portability (most laptop business computer carrying cases are made for this category of laptop).

You will find that these laptops have a great battery life, and come with all the input/output ports you need. The only thing you might find missing is the high-end performance and graphics. If you need those aspects, look to the desktop replacements below.

The Desktop Replacement

Have you ever seen someone with a relatively large laptop? It was probably a desktop replacement laptop, which provides the best graphics and performance money can buy (for a laptop).

If you need a large screen size (17 inches and above), you need a desktop replacement. The problem is that these laptops don’t have the portability of all the others, since they are larger in size.

They will have plenty of input/output selection, but the battery life is usually short because it has to provide power for performance.

Also, desktop replacements tend to cost more as they have all the components of a desktop with the ability to be portable.

Decision-Making Time

As you can see, there are always trade-offs when you choose a laptop business computer. Your best bet is to make a list of the features your business needs.

Take that list to a computer sales expert who knows the current models of laptops available and have them show you the different choices.

With many years experience dealing with computer vendors I find it important to find the company that can meet all of your company’s technological needs. This may be different for every company.

Some companies may need business desktop computers while other may simply need notebook PCs.

Finding the right computer sales specialist is the most important factor to running your business efficiently when it comes to technology.

Laptop Batteries, Power Tools Batteries Maintenance & Care Tips:

How to Maximize Power Tools Battery Performance

Plan To Recondition Or Refresh Your Power Tool Batteries?

Battery maintenance tips: helping your batteries live a long and productive life

Power Tools Battery Maintenance Tips

How to Fix a Dewalt Power Tools Batteries

Toshiba laptop battery tips: How to Test the Capacity of Your Toshiba Laptop Battery

The Difference Between Nicad and NiMH Rechargeable Batteries

How to Rebuild a Dewalt Power Tools Battery

Dewalt  batteries fail before the drills. Dewalt power tools batteries fail before the drills.

Dewalt makes a great cordless drill that’s built to last a long time. In fact, you can find many Dewalt cordless tools for sale at pawn shops, but have you ever noticed what’s missing with a used Dewalt drill? The battery is missing or bad, because that’s usually the first part to fail. Moreover, replacement batteries are so expensive that most people choose to buy a new drill. Thankfully there’s another option: rebuilding the Dewalt cordless drill battery–and it’s not as difficult as you might think.

Instructions

  1. Step 1

    Remove the screws holding the battery pack together. Pry open the pack with a flat-head screwdriver. Use a utility knife to cut plastic or labels if necessary. Remove the battery cells from the plastic case. Set the plastic cover pieces aside.

  2. Step 2

    Draw a diagram of how the cells are arranged in the battery pack and how the connecting metal strips or wire are positioned–this is critical for the proper reconstruction of your battery pack.

  3. Step 3

    Remove the connecting metal strips or wire with a soldering gun, being careful not to overheat the cells. Recycle the old batteries. Replace new batteries in the same position as the old. Solder connecting wire in place, touching the soldering gun to the battery end no longer than a second or two so as not to damage the battery. Visually inspect each connection when you are done.

  4. Step 4

    Insert the group of cells back into the plastic case and close it. Replace the screws in the battery pack. Recharge the battery pack and then power up your drill.

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All the cordless drill batteries are brand new with 1 year warranty! Usually shipped in the same business day.
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Tips & Warnings
  • You can order new battery cells from online shops, or from a local store such as Batteries Plus. The outside of your battery pack tells you what kind of battery cells you need (e.g., nickel cadmium), and it tells you the total voltage (e.g., 9.6 volts). Give that information to the battery store, plus the number of cells inside, along with the Dewalt drill model number, and they will give you the battery cells you need.
More Power Tools Battery Care Related Articles:

1.  Power Tools Battery Repair: Resources for Rebuilding Your Drill Batteries

2. Plan To Recondition Or Refresh Your Power Tool Batteries?

3. How to Maximize Power Tools Battery Performance

4. Power Tools Battery Maintenance Tips

5. Battery maintenance tips: helping your batteries live a long and productive life

6. How to Repair Makita Power Tools Batteries

7. How to Fix a Dewalt Power Tools Batteries

8. Should I Replace My Power Tools Batteries?

How Many Cells Are In A Laptop Battery?

Question from a reader: “How many cells are in the Toshiba Satellite M105-S3041 Laptop Battery? The battery is for a Toshiba Satellite M105-S3041 and its technical ratings are 10.8 volts 8800 mAh, Lithium Ion.”

The question from the reader is a great question for it gets to the heart of battery manufacturing and begins to unravel the power of a battery. The answer is simply: 12 cells. But what does the answer mean and how does the number of cells relate to the overall value of a battery? Let’s find out…

The cell is a 3.6V cylindrical Li-Ion cell. The cell has no memory effect (distinguish between digital memory effect) and longer storage life than NiMH battery cells. The cell is light weight and has a high energy density. It is in effect perfect for building batteries for laptop and other portable power devices.

[caption id="attachment_226" align="aligncenter" width="453" caption="4-Cell LENOVO FRU 42T5227 Laptop Battery"]4-Cell LENOVO FRU 42T5227 Laptop Battery[/caption]

4-Cell LENOVO FRU 42T5227 Laptop Battery

  • Battery Type: Li-ion
  • Volt: 14.4 V
  • Capacity: 2600 mAh

The additional technical specifications for the battery cell include:

* Nominal Voltage Average 3.7 V – the concept of nominal voltage is that voltage range exists depending on the number of cells in the battery.
* Nominal Capacity – 2200 mAh (above 2200 the stability of lithium based cells is called into question)
* Max. Charging Current – 2.4 Amps Max.
* Max. Discharging Current – 4.6 Amps max.
* Dimensions (DxH)  18.3 mm (Max 18.4) x 64.9 mm (Max 65.1)
* Weight   46.5 g (1.64 oz)
* Internal Impedance: less or equal to 90 ohms
* Cycle Performance is 80% of initial capacity at 300 cycles

Now as stated above the reader asked how many cells were in the Toshiba Satellite M105-S3041 Laptop Battery? The battery is rated at 10.8 volts and a capacity of 8800 mAh.

As I mentioned above the nominal voltage average is 3.7V. Some manufacturers may use 3.6V and some may use 3.7V. In the case of a laptop battery with 10.8V the nominal voltage rating used is 3.6V. Thus if we divide 10.8V by 3.6V we get 3. Thus 3 cells in a series. We also know that the batteries capacity is 8800 mAh. We know the nominal capacity is 2200 mAh. Therefore if we divide 8800 mAh by 2200 mAh then we get 4 in parallel.

Therefore we have 3 cells in series X 4 cells in parallel equals 12 cells in total.

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6-CELL ACER TravelMate 3270 Series Laptop Battery

  • Battery Type: Li-ion
  • Volt: 11.1 V
  • Capacity: 4400 mAh

ACER Laptop Battery Articles & Maintenance Tips

Upgrade my ACER Laptop Battery from Ni-MH to Li-ion
Ni-Cd, Ni-MH and Li-ion ACER Laptop Battery are all fundamentally different from one another and cannot be substituted unless the laptop has been pre-configured from the manufacturer to accept more than one type of battery chemistry. Please refer to your manual to find out which rechargeable battery types the laptop device supports or use our ACER Laptop Battery Finder above to find all the compatible Laptop Battery for your device. It will automatically list all of the battery chemistries supported by your specific device. If your device does allow you to upgrade the battery from Ni-MH to Li-ion, you will typically get longer run times.

For example, if your laptop uses a NI-MH battery that is 9.6 Volts, 4000mAh and the new Li-ion laptop battery is 14.4 Volt, 3600mAh, then you will obtain longer run time with the Li-ion battery.

[caption id="attachment_233" align="aligncenter" width="453" caption="9-CELL ACER TravelMate 3270 Series Laptop Battery"]9-CELL ACER TravelMate 3270 Series Laptop Battery[/caption]

9-CELL ACER TravelMate 3270 Series Laptop Battery

  • Battery Type: Li-ion
  • Volt: 11.1 V
  • Capacity: 7200 mAh

Example.

Li-ion: 14.4 Volts x 3.6 Amperes = 51.84 Watt Hours
Ni-MH: 9.6 Volts x 4 Amperes = 38.4 Watt Hours
The Li-ion is stronger and has longer run time.

How can I maximize the performance of my ACER Laptop Battery ?
There are several steps you can take to help you get maximum performance from your Laptop Battery:

Prevent the Memory Effect – Keep the Laptop Battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-ion batteries which do not suffer from the memory effect.

Keep the ACER Laptop Battery Clean – It’s a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and the portable device.

Exercise the Battery – Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a Laptop Battery has not been used for a long period of time, perform the new battery break in procedure described above.

Battery Storage – If you don’t plan on using the Laptop Battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use.

[caption id="attachment_235" align="aligncenter" width="453" caption="6-CELL TOSHIBA PA3399U-1BAS Laptop Battery"]6-CELL TOSHIBA PA3399U-1BAS Laptop Battery[/caption]

6-CELL TOSHIBA PA3399U-1BAS Laptop Battery

  • Battery Type: Li-ion
  • Volt: 10.8 V
  • Capacity: 4400 mAh

What is the run time of Laptop Battery?
ACER Laptop Battery have two main ratings on them: Volts and Amperes. Because size and weight of Laptop Battery is limited when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Mill amperes. One thousand Mill amperes equals 1 Ampere. When buying a battery, select batteries with the most Mill amperes (or Ah). Batteries are also rated by Watt-Hours, perhaps the simplest rating of all. This is found by multiplying the Volts and the Amperes together. For example:

14.4 Volts, 4000mAh (Note: 4000mAh is equal to 4.0 Amperes).

14.4 x 4.0 = 57.60 Watt-Hours

Watt-Hours signifies the energy needed to power one watt for one hour. This ACER Laptop Battery can power 57.60 watts for one hour. If your laptop runs at 20.50 watts, as an example, this Laptop Battery could power your laptop for 2.8 hours.

Understanding your ACER Laptop Battery Needs
We strive to make you Laptop Battery purchases easy. Since we understand that finding the right batteries for your needs can be overwhelming and confusing at times we developed a Laptop Battery finder tool to help find the right size for the make and model of your equipment. We also offer educational articles and tips to help you conserve your batteries and understand common problems. By us providing education you are able to make the right purchasing decisions as well as provide proper care for all of your electronics.

[caption id="attachment_237" align="aligncenter" width="453" caption="6-CELL TOSHIBA Tecra A8-S8514 Laptop Battery"]6-CELL TOSHIBA Tecra A8-S8514 Laptop Battery[/caption]

6-CELL TOSHIBA Tecra A8-S8514 Laptop Battery

  • Battery Type: Li-ion
  • Volt: 10.8 V
  • Capacity: 4400 mAh

The Difference Between Nicad and NiMH Rechargeable Batteries.

Why Go Rechargeable? A Mini Series

Part 1: Why are some batteries rechargeable but others aren’t?

Part 2: The Different Kinds of Rechargeables

Part 3: Save money in the long run

Part 4: Heavy metal: Rechargeables and the environment

Part 5: Max Power: Take your rechargeable use to the next level

Rechargeable batteries abound—they’re in your laptop, cell phone, mp3 player and your car. But you may not have thought of using rechargeable batteries in your household gadgets, like your wireless keyboard and mouse, or Wii and XBox 360 wireless controllers. Every time you hear the thunk of dead batteries on the bottom of the trash can, you’re hurting both your wallet and the environment.

LENOVO Lenovo thinkpad T61 7663 Laptop Battery

LENOVO Lenovo thinkpad T61 7663 Laptop Battery

There are lots of reasons to use rechargable batteries in your everyday devices, but if you’re not convinced, we’ll be outlining them here over the next few days. First off, why can’t you just stick your Duracells in a charger and be done with it?

1. Why are some batteries rechargeable but others aren’t?

To answer this question, it’s necessary to review what batteries actually are. At its most simple, a battery is a unit that converts chemical energy into electrical energy. A battery holds a chemical reaction that causes electrons to flow from one of its terminals, either negative or positive, through the wiring of a device. The electrons are seeking the battery’s other terminal by traveling through the wiring and creating electricity.

SYMBOL MC9000 Series Barcode Scanner BatterySYMBOL MC9000 Series Barcode Scanner Battery
Brand New 1 Year Warranty, 2200mAh only US $32.79 | USA Stock, Manufacturer Warranty

When any battery is placed between positive and negative terminals—that is, when it’s placed in your device—the reaction begins. Once all of the chemicals inside a non-rechargeable battery have reacted, the battery is out of power. It’s dead. Let go. Begin the grieving process.

PANASONIC 5032LC Camcorder Battery Charger
PANASONIC 5032LC Camcorder Battery Charger

PANASONIC 5032LC Camcorder Battery Charger

However, rechargeable batteries contain chemicals that react reversibly. When rechargeable batteries receive electricity—are put into the charger—the chemical reaction inside is reversed (for the most part). This means the batteries can power your device again. Rechargeable batteries wear out only when the chemical reaction inside them can no longer be reversed by the charger.

Placing a non-rechargeable battery like an alkaline battery into a charger may give a short burst of extended use—we’re talking seconds or maybe a minute—but it may also cause the battery to leak or even explode. We are talking from experience and we don’t recommend it.

Rechargeable battery types: NiCd vs. NiMH, and why there are no Li-ion AAs

There are two types of rechargeable batteries in standard sizes: NiCd and NiMH. NiCd, which are nickel-cadmium based, were the first rechargeable batteries available to the public. They’re often referred to as “NiCads,” but that’s actually a brand name.

SONY CCD-TRV25 Camcorder Battery
SONY CCD-TRV25 Camcorder Battery

SONY CCD-TRV25 Camcorder Battery

NiCds were first invented in 1899 in a non-portable form (kind of defeating the purpose), and didn’t enter widespread production in the U.S. until the 1960s. Your first RC car likely had NiCd batteries.

One disadvantages of NiCd batteries is that they suffer from the memory effect. This means that a NiCd that has been charged and discharged a number of times loses its charge more quickly than a newer NiCd battery. This is caused by the buildup of cadmium crystals inside the battery. To prevent this, NiCd batteries should only be placed in their chargers after they are fully discharged.

Another disadvantage is that NiCds also contain toxic materials like cadmium and mercury. For this reason, the sale of NiCds has been banned in the European Union except for select purposes.

  Pros Cons
NiCd -Lower Price -Memory Effect
-Self discharge quickly, but not as quickly as NiMH-Contains toxic materials
NiMH -Higher total capacity than NiCd
-No memory effect
-Self-discharge more quickly than NiCd
-Can generate more heat than NiCds

DEWALT DC9072 Power Tools Battery
DEWALT DC9072 Power Tools Battery

DEWALT DC9072 Power Tool Battery

The most common everyday use rechargeable batteries are nickel metal hydride batteries, or NiMHs. They were developed in 1989 as an alternative to clunky nickel-hydrogen batteries, which are mostly used in satellites today. NiMHs are much less toxic than NiCds. Due to their low price and relative eco-friendliness, NiMHs are currently the most popular rechargeable option.

You may know that lithium-ion (Li-ion) rechargeable batteries incased in battery packs are widely used in electronic devices like cell phones, laptops and mp3 players. Why aren’t there any lithium-ion standard-size batteries to substitute AA size alkalines? Li-ion batteries run at a higher 3.6 voltage than standard aa size batteries usually do 1.2 volts; that makes them incompatible with both your devices and battery chargers. Plus, due to the high energy and high heat potential, they need a PCB board to control current and over voltage for them to be used safely and effectively.

What about rechargeable alkaline batteries? Generally speaking, rechargeable alkalines cost as much as superior NiMH rechargeables, and have a much shorter lifespan—dozens of recharges rather than hundreds.

EPSON P-4000 Camcorder Battery Charger
EPSON P-4000 Camcorder Battery Charger

EPSON P-4000 Camcorder Battery Charger

Save money in the long run

Over time, rechargeable batteries save so much money that they are virtually free power. Thrifty living blog The Simple Dollar, which pulls no punches, tested whether rechargeables would really save money in the long term. Blogger Trent switched from Energizer e2 Titanium alkaline AAs to Sanyo Eneloop batteries.

You can read Trent’s whole analysis at his site, but briefly, Trent spent $100.80 for 36 AAs and $47.94 for the charger, so his startup cost was $147.94. Note that Trent bought extra batteries so that he would always have some charged and ready to go. All too frequently, new users of rechargeables buy the bare minimum. Plan ahead or be left holding a dead gizmo.

PANASONIC CGR-H602 DVD Player Battery
PANASONIC CGR-H602 DVD Player Battery

PANASONIC CGR-H602 DVD Player Battery

He also figured that he would have to charge each battery seven times before his investment had paid for itself. With Trent’s usage pattern, that meant that it took two years before he broke even, but after that, he was coming out far ahead Trent calculated the cost of charging the batteries 120 times over the course of a year. His local electricity costs .10 per kilowatt-hour (kWh) and the charger used .02 kWh to charge each battery. With these numbers, recharging the batteries cost less than 25 cents a year! You’d pay anywhere from $75 to $150 to for120 disposable AAs.

Here’s a real life example. If you play Nintendo Wii, you may have noticed the short battery life of the Wii controller. Nintendo says that the Wii remotes should last 30 to 60 hours, but complaints abound on the net. If an average pack of four AA alkaline batteries costs $5, that’s $2.50 into the trash after every gaming marathon. Or you can pay $.004 cents to recharge your rechargeables. That’s four tenths of a cent! (By the way, Nintendo recommends only NiMHs for the Wii motes.)

If you want to get really nerdy and find out much you’d pay to charge your batteries, check out the formula here, then consult your electricity bill to find out how much you pay per kWh. From a financial standpoint, buying rechargeables may have a large start-up cost, but you’ll save money in the long run.

Heavy metal: Rechargeables and the environment

Toxic heavy metal is not what your kid brother listens to. It’s the cadmium, nickel, lead and mercury found in an array of batteries, both disposable and rechargeable, and it’s harmful to humans and animals. Runoff from cadmium mining caused deformities in animals and humans in Japan after WWII. Mercury’s toxicity is well known—it’s what made the Mad Hatter mad. Lead damages neuron connections. Even the Thomas Jefferson coin in your wallet contain a metal that is harmful when consumed in large doses and when inhaled.

TOSHIBA Satellite P500 PA3730U-1BAS Laptop Battery
TOSHIBA Satellite P500 PA3730U-1BAS Laptop Battery

TOSHIBA Satellite P500 PA3730U-1BAS Laptop Battery

If you’re not happy about the thought of tossing this stuff into a hole in the ground, there’s a two-part answer: rechargeables and recycling.

European battery manufacturer Uniross commissioned a 2007 study that claims that rechargeables are up to 32 times greener than disposables. According to the study, rechargeable batteries beat disposables by offering:

  • 23x fewer non-renewable natural resources consumed
  • 28x less effect on global warming
  • 30x less effect on air pollution/ozone pollution
  • 9x less effect on air acidification
  • 12x less effect on water pollutionAlso, rechargeable batteries cut down on packaging waste. The study points out that to get one kWh of energy, you can buy one pack of rechargeable batteries and its packaging or 93 packs of disposable batteries and their packaging!Admittedly, Uniross makes rechargeable batteries and had something to gain with this study, but it’s still credible. Even the skeptics at Wired Magazine agree. The study was carried out and reviewed by two independent groups, Bio Intelligence Service and the Fraunhofer Institute.Here’s some more food for thought: the EPA says that Americans purchase 3,000,000,000 dry-cell batteries each year. That’s three billion, with a B. (Dry cell batteries are most of the batteries we use, the main exception being car batteries.) The average American throws away eight batteries per year, which may not seem like much, but that adds up to 125,000 tons per year.Now for the recycling component. If you live in California, AtBatt’s home state, you’re already required to dispose of your batteries responsibly.  The state of California also offers resources here.

Prosio 02491-0015-00 Battery Charger
Prosio 02491-0015-00 Battery Charger

Prosio 02491-0015-00 Battery ChargerLow self-discharge batteries

If it’s been a while since you looked at rechargeables, you may remember wondering why the batteries didn’t come pre-charged. The reason is that until recently, most rechargeables lost their charge quickly when not in use. Stored on the shelf, a standard NiMH battery loses 25 percent of its power by month. Inactive NiCd batteries lose 10 percent of their power in the first 24 hours, then lose 10 percent a month.

But three years ago, manufacturer Sanyo introduced low self-discharge standard size batteries under the brand Eneloop. (How’d they do it? By improving the cathode structure and the separator. You can read a technical explanation from Sanyo here.)

In addition to their increased shelf life, this battery technology lasts through many more charge cycles than standard NiMH and NiCd rechargeables. While standard NiMHs last up to 500 charges,

The technology soon spread through the industry, and today all of the major battery manufacturers offer low self-discharge batteries.

What is mAh?

Many batteries come with a label like “2500 mAh.” The acronym mAh stands for milliampere-hour, and this number means the capacity of the battery. A miliamp is one thousandth of an ampere, or amp. (Engineer’s Edge has a good technical explanation of battery capacity). What do mAhs mean for your AAs? BatterySavers.com explains:

    If you think of a battery as a small fuel storage tank, which in a sense it is, mAh is a measure of how much “fuel” the battery holds. (This is roughly comparable to using gallons to measure how much fuel a gas tank can hold. The more gallons of capacity, the more fuel the tank can hold.) With a battery the higher the mAh rating, the more electrical energy it can store.

DELL F5136 Laptop Battery
DELL F5136 Laptop Battery

DELL F5136 Laptop Battery

Why should you care? Some devices are like Priuses, putt-putting along slowly and evenly, with occasional accelerations. Others are like Ferraris, demanding more power and demanding it now. (Digital cameras are often in this category.) It’s important to note. A higher battery capacity will NOT overload the power of the device.

If you’re using a high-drain device—and you probably already know if you are—than mAh matters more. If your batteries have a short shelf life, a higher capacity will keep them alive longer.

Michael Bluejay has a in-depth look at electricity usage around the house here. It talks about AC (wall plug electricity) rather than DC (battery), but it’s got a lot of useful information on measuring electrical demand.

LENOVO FRU 42T5227 Laptop Battery
LENOVO FRU 42T5227 Laptop Battery

LENOVO FRU 42T5227 Laptop Battery


Laptop Batteries, Power Tools Batteries Maintenance & Care Tips:

How to Keep Your Laptop Battery in Good Working Condition

Order laptop battery online considerations

Laptop AC Adapters Care Tips

How to select the right laptop battery and laptop ac adapter

Apple Iphone 4 Os New Feature Of Multitasking Not To Affect Battery Life

How to Maximize Power Tools Battery Performance

Plan To Recondition Or Refresh Your Power Tool Batteries?

Battery maintenance tips: helping your batteries live a long and productive life

Power Tools Battery Maintenance Tips

How to Fix a Dewalt Power Tools Batteries

Toshiba laptop battery tips: How to Test the Capacity of Your Toshiba Laptop Battery

Should I Replace My Power Tools Batteries?

Power tools batteries can sometimes be rebuilt by a battery dealer by opening the battery pack and replacing the battery cells.

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Q: My old cordless drill has a rechargeable battery that’s shot. I can’t find a replacement power tools battery. Can you tell me where to get a replacement?

A: First, find a factory-authorized service dealer (check the Yellow Pages under “Tools, Electric”) and ask about the replacement price. Brace yourself; it might shock you. A new 12-volt battery for an old drill of mine costs $45. Next I called a battery dealer, Batteries Plus (800-MR-START; www.g-batteryshop.com). They quoted me a price of $33 to rebuild the battery, which includes a six-month warranty. Rebuilding consists of opening the battery pack and replacing the ten 1.2-volt cells (10 times 1.2 volts equals 12 volts) with new ones.

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