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Sony VGN-AW290J-AH Battery
Your Sony VGN-AW290J-AH battery allows you to move freely about so that you can use it wherever you fancy. It is OK to buy a battery with more milliamps, 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 model number and compare it to the old one. The more power the battery has, the longer it will last when fully charged.
Some warnings the li-ion battery needs replacing
- The unit refuses to turn on when it is unplugged
- The battery is puffed up and looks like it will explode
- The laptop lasts under ten minutes before it dies
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