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Sony VGN-NW135J Battery
Your Sony VGN-NW135J battery makes your laptop portable so that you can use it anywhere you please. Getting a battery with a higher amp rating is OK, as it signifies that the battery can last for a longer period of time on one charge. What is truly important is the physical size of the battery as well as the connection. Not all batteries are the same, be sure to check the physical connection and size and compare it to the old one. More amps in a battery basically means the longer you will be able to use the laptop on a single charge.
Red flags Sony battery is going to die
- The unit does not turn on when it is unplugged
- The laptop does not run longer than one hour while using the battery only
- The battery is puffed up and looks like it will explode
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