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Sony PCG-631M Battery
Your Sony PCG-631M battery allows you to move freely about so that you can use it inside, outside or anywhere your heart desires. Not all batteries are the same, be sure to check the part number of the new battery and compare it to the old battery. Buying a battery with a higher milliamp rating is fine, because it simply implies that 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. More amps in a battery basically means the longer you will be able to use the laptop on one charge.
Important signs the primary battery is in need of replacing
- The laptop battery gets puffy like its about to burst
- The laptop lasts less than half an hour while unplugged
- The unit is unable to boot up while unplugged
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