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Sony PCG-GRT390ZP Battery
Your Sony PCG-GRT390ZP battery makes your laptop portable so as to work or play anywhere you please. Not all batteries are the same, make sure and double-check the physical connection and size and compare it to the one you are going to replace. More amps in a battery basically means the longer you will be able to use the laptop on a single charge. It is OK to buy a battery with more milliamps, as it suggests the battery will last a bit longer on one charge. What is important is the physical size of the battery as well as the connection.
Major clues your battery will need to be replaced
- The laptop refuses to turn on when it is unplugged
- The battery is puffed up and looks like it will explode
- The laptop does not run longer than one hour while unplugged
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