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Sony VGN-NR475N Battery
Your Sony VGN-NR475N battery allows you to move freely about so as to work or play where you want. 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. More amps in a battery basically means the longer it will last on one charge. Buying a battery with a higher milliamp rating is fine, as it signifies that the battery can last for a longer period of time on one charge. What is truly important is the connection type and physical size of the battery.
Major clues the li-ion battery will soon need to be replaced
- The unit will not boot up while unplugged
- The laptop battery gets puffy and looking like it is going to burst
- The laptop does not last longer than 45 minutes while unplugged
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