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Sony VGN-SR290J Battery
Your Sony VGN-SR290J battery allows you to move freely about so that you can use it anywhere you please. Not all batteries are the same, be sure to check the part number of the new battery and compare it to the old one. Getting a battery with a higher amp rating is OK, 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. The larger the battery, the longer you will be able to use the laptop when fully charged.
Major signs of a declining primary battery
- The battery has its case swollen and looks like it will explode
- The laptop refuses to turn on while unplugged
- The laptop lasts under ten minutes before it shuts itself down
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