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Sony VPCM121AX Battery
Your Sony VPCM121AX battery allows you to move freely about so that you can use it anywhere in the house or even outdoors! The more power the battery has, the longer it will last on one charge. It is OK to buy a battery with more milliamps, as it signifies that the battery can last for a longer period of time on one charge. What really is critical to a battery fitting your laptop is the connection type and physical size of the battery. 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.
Subtle hints the primary battery is going to die
- The laptop lasts way less than it used to before it dies
- The unit will not turn on while unplugged
- The battery gets puffy like its about to burst
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