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Sony VGN-Z790J Battery
Your Sony VGN-Z790J battery allows you to move freely about so that you can use it wherever you fancy. 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 one. More amps in a battery basically means the longer you will be able to use the laptop when fully charged. Buying a battery with a higher milliamp rating is fine, as it just means the battery will last longer. What really is critical to a battery fitting your laptop is the connection type and physical size of the battery.
Major signs the primary battery will not last the year
- The Sony laptop does not turn on when it is unplugged
- The battery is puffed up like its about to burst
- The laptop does not run longer than one hour before it dies
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