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Sony VPCZ139FJ-S Battery
Your Sony VPCZ139FJ-S battery makes your laptop portable which gives you the opportunity to use it wherever you fancy. Because no battery is the same, make sure and double-check the model number and compare it to the old battery. It is OK to buy a battery with more milliamps, it just means the battery will go further on a single charge. What really is critical to a battery fitting your laptop is the actual size of the battery and the connection it has. The larger the battery, the longer you will be able to use the laptop when fully charged.
What signals that my primary battery is on its last leg?
- The laptop does not last longer than 45 minutes before it dies
- The unit refuses to turn on when it is unplugged
- The battery has its case swollen like its about to burst
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