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Sony PCG-NV309 Battery
Your Sony PCG-NV309 battery allows you to move freely about so as to work or play wherever you fancy. Because no battery is the same, be sure to check the size and model number in order to make sure it is similar to the one you are going to replace. The larger the battery, the longer you will be able to use the laptop on a single charge. Getting a battery with a higher amp rating is OK, because it simply implies that the battery will last longer. What really is critical to a battery fitting your laptop is the physical size of the battery as well as the connection.
Major clues of an ailing Sony battery
- The laptop will not turn on when not connected to the charger
- The laptop lasts way less than it used to while unplugged
- The laptop battery gets puffy like its about to burst
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