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Sony VGN-CS390J Battery
Your Sony VGN-CS390J battery allows you to move freely about so that you can use it wherever you fancy. Buying a battery with a higher milliamp rating is fine, as it suggests the battery will last a bit longer on one charge. What really is critical to a battery fitting your laptop is the actual size of the battery and the connection it has. More amps in a battery basically means the longer it will last on a single charge. Because no battery is the same, make sure and double-check the physical connection and size and compare it to the old one.
Red flags the primary battery has to be replaced
- The unit is unable to boot up at all when unplugged
- The laptop battery gets puffy and looking like it is going to burst
- The laptop does not last longer than 45 minutes while using the battery only
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Be sure to always get replacement parts from a known seller if you buy anything online. It is always best to check and double-check the OEM part number before placing an order for a new battery. Sony VGN-CS390J battery should really be bought in new condition for a variety of reasons, including wear and tear on an older one. The Sony laptop will thank you for thinking before buying.
Feel free to download your manual for help.
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