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Sony VPCSA290X Battery
Your Sony VPCSA290X battery allows you to move freely about so that you can use it where you want. The larger the battery, the longer you will be able to use the laptop on one charge. It is OK to buy a battery with more milliamps, as it suggests the battery will last a bit longer on one charge. What is important is the connection type and physical size of the battery. Not all batteries are the same, make sure and double-check the physical connection and size and compare it to the one you are going to replace.
Easy warnings of a poorly working li-ion battery
- The laptop is unable to boot up when not connected to the charger
- The laptop lasts under 20 minutes while unplugged
- The laptop battery is puffed up and looks like it will explode
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