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Sony VGN-FW248J Battery
Your Sony VGN-FW248J battery makes your laptop portable so as to work or play inside, outside or anywhere your heart desires. The more power the battery has, the longer you will be able to use the laptop on one charge. Buying a battery with a higher milliamp rating is fine, as it just means 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. Because no battery is the same, be sure to check the physical connection and size and compare it to the old one.
Major clues of a worsening primary battery
- The battery is puffed up and looks like it will explode
- The laptop does not last longer than 45 minutes before it dies
- The unit does not turn on when not connected to the charger
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