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Sony PCG-GR290K Battery
Your Sony PCG-GR290K battery allows you to move freely about so that you can use it anywhere you please. Buying a battery with a higher milliamp rating is fine, as it just means the battery will last longer. What really is critical to a battery fitting your laptop 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 one you are going to replace. The larger the battery, the longer you will be able to use the laptop on a single charge.
Subtle hints the primary battery is in need of replacing
- The battery has its case swollen like its about to burst
- The laptop does not run longer than one hour while unplugged
- The laptop refuses to turn on while unplugged
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