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Sony VGN-CS209J Battery
Your Sony VGN-CS209J battery makes your laptop portable so that you can use it where you want. The more power the battery has, the longer it will last on one charge. Because no battery is the same, be sure to check the physical connection and size and compare it to the old one. Getting a battery with a higher amp rating is OK, because it simply implies that the battery will last longer. What is truly important is the actual size of the battery and the connection it has.
Major signs of a bad li-ion battery
- The unit will not turn on while not connected to the AC adapter
- The battery is puffed up and looks like it will explode
- The laptop lasts under 20 minutes while unplugged
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A Sony VGN-CS209J battery should really be bought in factory new condition for a variety of reasons, including wear and tear on an old used battery. Always make sure to note the OEM part number so that you correctly order the right battery. The Sony VGN-CS209J laptop will love you more if you buy smart! Try to always order computer products from a known seller when buying via the internet.
Feel free to download your manual for help.
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