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Sony VGN-FW390 Battery
Your Sony VGN-FW390 battery makes your laptop portable so as to work or play wherever you fancy. Getting a battery with a higher amp rating is OK, it just means the battery will go further on a single charge. What really is critical to a battery fitting your laptop is the connection type and physical size of the battery. The larger the battery, the longer you will be able to use the laptop on one charge. Not all batteries are the same, be sure to check the model number and compare it to the one you are going to replace.
Major indications of an ailing li-ion battery
- The unit does not turn on at all when unplugged
- The laptop lasts under ten minutes before it dies
- The battery has its case swollen like its about to burst
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A Sony VGN-FW390 battery is going to be better brand new due to possible wear on an older one. It is in your best interest to write down the OEM part number before placing an order for a new battery. Make sure to try and get computer products from a well-known website when buying via the internet. Your Sony laptop will be better off if you parts safely online!
Feel free to download your manual for help.
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