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Sony PCG-FX390P Battery
Your Sony PCG-FX390P battery makes your laptop portable so that you can use it inside, outside or anywhere your heart desires. Buying a battery with a higher milliamp rating is fine, as it signifies that the battery can last for a longer period of time on one charge. What is truly important is the physical size of the battery as well as the connection. Because no battery is the same, make sure and double-check the part number of the new battery 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 when fully charged.
Major clues of a bad Sony battery
- The battery is puffed up and looks like it will explode
- The Sony laptop will not turn on when not connected to the charger
- The laptop does not run longer than one hour while using the battery only
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