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Sony VGN-AR820E Battery
Your Sony VGN-AR820E battery allows you to move freely about which gives you the opportunity to use it anywhere in the house or even outdoors! Buying a battery with a higher milliamp rating is fine, because it simply implies that the battery will last longer. What is truly important is the actual size of the battery and the connection it has. The larger the battery, the longer it will last on a single charge. Because no battery is the same, be sure to check the part number of the new battery and compare it to the old one.
Indications the primary battery will eventually need to be replaced
- The laptop lasts under ten minutes before it dies
- The battery gets puffy like its about to burst
- The unit does not turn on when it is not plugged in
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