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Sony VGN-FW490Y Battery
Your Sony VGN-FW490Y battery makes your laptop portable which gives you the opportunity to use it anywhere in the house or even outdoors! The more power the battery has, the longer it will last on a single charge. Getting a battery with a higher amp rating is OK, as it just means the battery will last longer. What is truly important is the actual size of the battery and the connection it has. Because no battery is the same, be sure to check the size and model number in order to make sure it is similar to the old one.
Major symptoms the primary battery is dead
- The laptop lasts under ten minutes before it shuts itself down
- The battery has its case swollen like its about to burst
- The laptop is unable to boot up while not connected to the AC adapter
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