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Sony VGN-CS290 Battery
Your Sony VGN-CS290 battery allows you to move freely about so as to work or play wherever you fancy. It is OK to buy a battery with more milliamps, because it simply implies that the battery will last longer. 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 old one. The more power the battery has, the longer it will last on a single charge.
Simple warnings that your primary battery is not working properly?
- The laptop does not last longer than 45 minutes before it dies
- The battery is puffed up and looks like it will explode
- The unit refuses to turn on while unplugged
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