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Lenovo ThinkPad L540 Battery
Your Lenovo ThinkPad L540 battery makes your laptop portable so as to work or play anywhere you please. Not all batteries are the same, make sure and double-check the physical connection and size and compare it to the old battery. It is OK to buy a battery with more milliamps, as it signifies that the battery can last for a longer period of time on one charge. What really is critical to a battery fitting your laptop is the physical size of the battery as well as the connection. The larger the battery, the longer you will be able to use the laptop when fully charged.
Clues to watch for to know your battery will need replacing
- The laptop lasts under 20 minutes while using the battery only
- The unit will not boot up when it is unplugged
- The battery is puffed up like its about to burst
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