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Sony VPCEF34FX Battery
Your Sony VPCEF34FX battery allows you to move freely about which gives you the opportunity to use it where you want. The more power the battery has, the longer it will last when fully charged. 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 actual size of the battery and the connection it has. Because no battery is the same, be sure to check the part number of the new battery and compare it to the old battery.
Signals Sony battery is in dire need of a replacement
- The battery has its case swollen like its about to burst
- The laptop lasts under 20 minutes while unplugged
- The unit refuses to turn on when it is not plugged in
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