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Dell PP21L Battery
Your Dell PP21L battery makes your laptop portable so that you can use it inside, outside or anywhere your heart desires. Getting a battery with a higher amp rating is OK, it simply means it is a stronger battery. What is truly important is the connection type and physical size of the battery. Because no battery is the same, make sure and double-check the model number and compare it to the one you are going to replace. The more power the battery has, the longer you will be able to use the laptop on one charge.
Signals of a deteriorating li-ion battery
- The Dell laptop does not turn on when it is unplugged
- The laptop does not run longer than one hour before it dies
- The laptop battery gets puffy and looks like it will explode
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