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Dell Inspiron M5040 Battery
Your Dell Inspiron M5040 battery allows you to move freely about so that you can use it wherever you fancy. Not all batteries are the same, be sure to check the size and model number in order to make sure it is similar to the old one. The larger the battery, the longer it will last on a single charge. It is OK to buy a battery with more milliamps, as it suggests the battery will last a bit longer on one charge. What is important is the connection type and physical size of the battery.
Subtle cues of an ineffective battery
- The laptop is unable to boot up while not connected to the AC adapter
- The laptop battery has its case swollen and looks like it will explode
- The laptop lasts under 20 minutes while unplugged
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