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Sony VGN-Z590U Battery
Your Sony VGN-Z590U battery makes your laptop portable so that you can use it anywhere you please. The more power the battery has, the longer it will last when fully charged. Because no battery is 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, because it simply implies that the battery will last longer. What really is critical to a battery fitting your laptop is the physical size of the battery as well as the connection.
Symptoms the li-ion battery has to be replaced
- The laptop battery is puffed up and looks like it will explode
- The laptop lasts less than an hour while using the battery only
- The unit refuses to turn on when it is not plugged in
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