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Sony PCG-F690 Battery
Your Sony PCG-F690 battery allows you to move freely about so that you can use it where you want. It is OK to buy a battery with more milliamps, 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. Not all batteries are the same, be sure to check the physical connection and size 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.
Major signs Sony battery will not live much longer
- The unit is unable to boot up when not connected to the charger
- The laptop lasts less than half an hour while using the battery only
- The laptop battery gets puffy like its about to burst
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