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Sony PCG-F690K Battery
Your Sony PCG-F690K battery makes your laptop portable so as to work or play wherever you fancy. Not all batteries are the same, be sure to check the model number and compare it to the old one. The more power the battery has, the longer it will last when fully charged. Getting a battery with a higher amp rating is OK, as it suggests the battery will last a bit longer on one charge. What is important is the connection type and physical size of the battery.
Easy warnings Sony battery is in need of replacing
- The laptop lasts less than half an hour while unplugged
- The unit refuses to turn on when it is not plugged in
- The battery gets puffy and looks like it will explode
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