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Sony VGN-CS390 Battery
Your Sony VGN-CS390 battery makes your laptop portable so that you can use it wherever you fancy. The more power the battery has, the longer you will be able to use the laptop on a single charge. Buying a battery with a higher milliamp rating is fine, it just means the battery will go further on a single charge. What is 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 old battery.
What warnings are present when my primary battery is about to go out?
- The unit does not turn on when it is unplugged
- The laptop does not last longer than 45 minutes before it shuts itself down
- The laptop battery has its case swollen and looking like it is going to burst
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