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Sony PCG-GRT390Z Battery
Your Sony PCG-GRT390Z battery makes your laptop portable which gives you the opportunity to use it where you want. The more power the battery has, the longer it will last on a single charge. Not all batteries are the same, make sure and double-check the model number and compare it to the old battery. It is OK to buy a battery with more milliamps, as it signifies that the battery can last for a longer period of time on one charge. What is important is the actual size of the battery and the connection it has.
General indicators that your battery will need to be replaced
- The laptop lasts under ten minutes while unplugged
- The battery is puffed up and looks like it will explode
- The laptop is unable to boot up while unplugged
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