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Sony VGN-SZ440E Battery
Your Sony VGN-SZ440E battery allows you to move freely about so as to work or play inside, outside or anywhere your heart desires. More amps in a battery basically means the longer it will last when fully charged. Not all batteries are the same, be sure to check the model number and compare it to the old one. Buying a battery with a higher milliamp rating is fine, it just means the battery will go further on a single charge. What really is critical to a battery fitting your laptop is the physical size of the battery as well as the connection.
Important signs the li-ion battery has to be replaced
- The battery is puffed up and looks like it will explode
- The Sony laptop will not turn on when it is unplugged
- The laptop does not last longer than 45 minutes while unplugged
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