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Sony VGN-CR490 Battery
Your Sony VGN-CR490 battery allows you to move freely about which gives you the opportunity to use it inside, outside or anywhere your heart desires. More amps in a battery basically means the longer you will be able to use the laptop on one charge. Because no battery is the same, make sure and double-check the size and model number in order to make sure it is similar to the old battery. Getting a battery with a higher amp rating is OK, because it simply implies that the battery will last longer. What is truly important is the connection type and physical size of the battery.
Clues to watch for to know the primary battery will soon need to be replaced
- The laptop lasts less than an hour while using the battery only
- The laptop battery is puffed up like its about to burst
- The Sony laptop refuses to turn on at all when unplugged
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