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Sony VGN-SZ440 Battery
Your Sony VGN-SZ440 battery allows you to move freely about which gives you the opportunity to use it inside, outside or anywhere your heart desires. Because no battery is the same, be sure to check the part number of the new battery and compare it to the one you are going to replace. The more power the battery has, the longer it will last on a single charge. Getting a battery with a higher amp rating is OK, it just means the battery will go further on a single charge. What is important is the physical size of the battery as well as the connection.
Major indications of an unhealthy Sony battery
- The laptop does not run longer than one hour while using the battery only
- The laptop will not turn on at all when unplugged
- The laptop battery has its case swollen and looks like it will explode
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