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Sony VGN-SZ640 Battery
Your Sony VGN-SZ640 battery allows you to move freely about so as to work or play anywhere in the house or even outdoors! The more power the battery has, the longer you will be able to use the laptop on one charge. 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 suggests the battery will last a bit longer on one charge. What really is critical to a battery fitting your laptop is the actual size of the battery and the connection it has.
Important clues of a bad primary battery
- The Sony laptop will not boot up when it is unplugged
- The laptop does not last longer than 45 minutes before it dies
- The laptop battery has its case swollen like its about to burst
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It is in your best interest to note the OEM part number so you order the correct battery replacement. Be sure to always get replacement parts from a well-known website if you purchase through a website. Sony VGN-SZ640 battery is going to be better in factory new condition because of wear and tear on any older used one. Your Sony laptop will love you more if you parts safely online!
Feel free to download your manual for help.
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