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Sony VGN-BX640P Battery
Your Sony VGN-BX640P battery makes your laptop portable so as to work or play where you want. 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 just means the battery will last longer. What is truly important is the physical size of the battery as well as the connection. Not all batteries are the same, make sure and double-check the part number of the new battery and compare it to the one you are going to replace.
How do you know when your primary battery needs replacing?
- The laptop lasts less than half an hour before it shuts itself down
- The battery is puffed up and looking like it is going to burst
- The unit will not boot up at all when unplugged
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Please be sure to double-check the OEM part number so you order the correct battery replacement. Make sure to try and get computer parts from a reputable seller if you purchase through a website. The Sony laptop will be better off for thinking before buying. Sony VGN-BX640P battery should be purchased new due to the wear on any old one.
Feel free to download your manual for help.
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