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Sony VGN-Z799DHB Battery
Your Sony VGN-Z799DHB battery makes your laptop portable which gives you the opportunity to use it where you want. Because no battery is the same, make sure and double-check the part number of the new battery and compare it to the old battery. More amps in a battery basically means the longer you will be able to use the laptop on a single charge. Buying a battery with a higher milliamp rating is fine, as it signifies that the battery can last for a longer period of time on one charge. What is truly important is the physical size of the battery as well as the connection.
What are the clues to watch out for to know my li-ion battery is almost going bad?
- The laptop will not boot up at all when unplugged
- The laptop lasts way less than it used to while unplugged
- The laptop battery has its case swollen like its about to burst
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