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Sony VGN-CS390D Battery
Your Sony VGN-CS390D battery makes your laptop portable so that you can use it where you want. Buying a battery with a higher milliamp rating is fine, it just means the battery will go further on a single charge. 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 size and model number in order to make sure it is similar to the one you are going to replace. The more power the battery has, the longer it will last on a single charge.
Symptoms your battery is going out
- The laptop lasts under ten minutes before it shuts itself down
- The laptop battery gets puffy and looks like it will explode
- The unit does not turn on when it is unplugged
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