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Sony VGN-NR485E Battery
Your Sony VGN-NR485E battery makes your laptop portable so that you can use it wherever you fancy. It is OK to buy a battery with more milliamps, as it just means the battery will last longer. What really is critical to a battery fitting your laptop is the connection type and physical size of the battery. The larger the battery, the longer you will be able to use the laptop on a single charge. Not all batteries are the same, be sure to check the physical connection and size and compare it to the one you are going to replace.
Elements of a weak battery
- The laptop battery gets puffy like its about to burst
- The unit will not turn on while not connected to the AC adapter
- The laptop does not run longer than one hour while unplugged
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