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Sony VPCY21AFX Battery
Your Sony VPCY21AFX battery makes your laptop portable so as to work or play inside, outside or anywhere your heart desires. Not all batteries are the same, make sure and double-check the physical connection and size and compare it to the old battery. Getting a battery with a higher amp rating is OK, as it signifies that the battery can last for a longer period of time on one charge. What is important is the actual size of the battery and the connection it has. The more power the battery has, the longer it will last on one charge.
Simple warnings that your primary battery has to be replaced?
- The laptop does not last longer than 45 minutes while using the battery only
- The battery has its case swollen and looking like it is going to burst
- The unit does not turn on while not connected to the AC adapter
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