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Dell Precision M90 Battery
Your Dell Precision M90 battery allows you to move freely about so that you can use it wherever you fancy. Because no battery is the same, make sure and double-check the part number of the new battery and compare it to the old one. More amps in a battery basically means the longer it will last when fully charged. Buying a battery with a higher milliamp rating is fine, because it simply implies that the battery will last longer. What is important is the physical size of the battery as well as the connection.
Warnings of a dying li-ion battery
- The laptop does not last longer than 45 minutes before it dies
- The laptop battery is puffed up like its about to burst
- The laptop does not turn on while unplugged
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