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Sony VGN-FZ4000 Battery
Your Sony VGN-FZ4000 battery makes your laptop portable so as to work or play where you want. More amps in a battery basically means the longer you will be able to use the laptop when fully charged. Because no battery is the same, make sure and double-check the model number and compare it to the old one. It is OK to buy a battery with more milliamps, as it just means the battery will last longer. What is important is the connection type and physical size of the battery.
What to see if the Sony battery is almost going bad?
- The laptop lasts less than an hour before it shuts itself down
- The Sony laptop will not boot up when not connected to the charger
- The battery gets puffy and looks like it will explode
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