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Sony VPCZ21DGX Battery
Your Sony VPCZ21DGX battery allows you to move freely about so as to work or play anywhere in the house or even outdoors! Not all batteries are the same, be sure to check the model number and compare it to the one you are going to replace. The more power the battery has, the longer it will last on one charge. 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 connection type and physical size of the battery.
Simple indications of a bad primary battery
- The laptop does not run longer than one hour before it dies
- The laptop is unable to boot up when it is unplugged
- The laptop battery gets puffy and looks like it will explode
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