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Lenovo ThinkPad 4291 Battery
Your Lenovo ThinkPad 4291 battery allows you to move freely about which gives you the opportunity to use it where you want. Not all batteries are the same, be sure to check the size and model number in order to make sure it is similar to the old battery. It is OK to buy a battery with more milliamps, it simply means it is a stronger battery. What is important is the actual size of the battery and the connection it has. The more power the battery has, the longer you will be able to use the laptop when fully charged.
Major warnings Lenovo battery will have to be replaced
- The battery gets puffy like its about to burst
- The laptop lasts way less than it used to before it dies
- The unit will not boot up when it is not plugged in
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