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Sony VGN-FW550F Battery
Your Sony VGN-FW550F battery allows you to move freely about so as to work or play anywhere you please. It is OK to buy a battery with more milliamps, as it signifies that the battery can last for a longer period of time on one charge. What is truly important is the physical size of the battery as well as the connection. The larger the battery, the longer you will be able to use the laptop on a single charge. Because no battery is the same, be sure to check the part number of the new battery and compare it to the old battery.
Major indications of a dying primary battery
- The laptop lasts less than half an hour while unplugged
- The battery has its case swollen like its about to burst
- The unit refuses to turn on when it is unplugged
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