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Sony VGN-FW448J Battery
Your Sony VGN-FW448J 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, it just means the battery will go further on a single charge. What is truly important is the connection type and physical size of the battery. The larger the battery, the longer it will last on a single charge. Not all batteries are the same, be sure to check the size and model number in order to make sure it is similar to the old battery.
Indications the primary battery will not last the year
- The battery has its case swollen like its about to burst
- The laptop lasts less than an hour before it shuts itself down
- The laptop will not turn on while not connected to the AC adapter
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