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Sony VGN-Z591U Battery
Your Sony VGN-Z591U battery allows you to move freely about which gives you the opportunity to use it anywhere in the house or even outdoors! Because no battery is the same, make sure and double-check the physical connection and size and compare it to the one you are going to replace. Getting a battery with a higher amp rating is OK, it simply means it is a stronger battery. What is truly important is the physical size of the battery as well as the connection. The more power the battery has, the longer it will last on a single charge.
General warnings of a poorly working Sony battery
- The laptop does not last longer than 45 minutes while using the battery only
- The battery gets puffy and looks like it will explode
- The Sony laptop does not turn on at all when unplugged
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