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Apple PowerBook 520 Battery
Your Apple PowerBook 520 battery allows you to move freely about so that you can use it where you want. Not all batteries are the same, make sure and double-check the model number and compare it to the one you are going to replace. Getting a battery with a higher amp rating is OK, because it simply implies that the battery will last longer. What really is critical to a battery fitting your laptop is the actual size of the battery and the connection it has. The larger the battery, the longer it will last on a single charge.
Signs of a poorly working primary battery
- The laptop does not last longer than 45 minutes while using the battery only
- The laptop battery has its case swollen and looks like it will explode
- The unit refuses to turn on when it is not plugged in
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