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Sony VGN-SR499DDB Battery
Your Sony VGN-SR499DDB battery allows you to move freely about so that you can use it anywhere in the house or even outdoors! Buying a battery with a higher milliamp rating is fine, it just means the battery will go further on a single charge. What really is critical to a battery fitting your laptop is the connection type and physical size of the battery. The more power the battery has, the longer you will be able to use the laptop on a single charge. Because no battery is the same, make sure and double-check the part number of the new battery and compare it to the old one.
Simple signals Sony battery has very little life left
- The unit will not turn on while not connected to the AC adapter
- The battery has its case swollen and looking like it is going to burst
- The laptop lasts under 20 minutes while using the battery only
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