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Sony VGN-UX390N Battery
Your Sony VGN-UX390N battery makes your laptop portable so that you can use it inside, outside or anywhere your heart desires. Buying a battery with a higher milliamp rating is fine, because it simply implies that the battery will last longer. What is truly important is the physical size of the battery as well as the connection. 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 more power the battery has, the longer you will be able to use the laptop on one charge.
Red flags of a poorly working battery
- The laptop battery has its case swollen and looks like it will explode
- The laptop lasts way less than it used to while using the battery only
- The laptop will not boot up when not connected to the charger
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