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Dell Precision M40 Battery
Your Dell Precision M40 battery allows you to move freely about so as to work or play where you want. 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. The more power the battery has, the longer you will be able to use the laptop on one charge. Buying a battery with a higher milliamp rating is fine, it just means the battery will go further on a single charge. What is important is the connection type and physical size of the battery.
Major symptoms the li-ion battery should need replacing
- The laptop is unable to boot up at all when unplugged
- The laptop lasts way less than it used to while using the battery only
- The battery is puffed up and looks like it will explode
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A Dell Precision M40 battery should really be bought brand new for obvious reasons, including possible wear on any old one. Make sure to try and buy computer products from a site you know if you buy anything online. It is in your best interest to re-check the model number so that you correctly order the right battery. The Dell laptop will be better off if you buy the right parts.
Feel free to download your manual for help.
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