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Sony VGN-AR770U Battery
Your Sony VGN-AR770U battery makes your laptop portable so that you can use it inside, outside or anywhere your heart desires. Not all batteries are the same, make sure and double-check the physical connection and size and compare it to the old one. Getting a battery with a higher amp rating is OK, 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. More amps in a battery basically means the longer it will last on one charge.
Warnings of a failing Sony battery
- The unit will not turn on when not connected to the charger
- The battery is puffed up and looking like it is going to burst
- The laptop does not last longer than 45 minutes before it shuts itself down
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