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Lenovo ThinkPad X121E Power Adapter
If your decision is to purchase a different brand charger, make note of the output of amps and voltage. Because Lenovo has been known to use a single AC adapter that is most likely used on other laptop models, be certain to thoroughly note the part number that is needed for this model. A universal AC adapter is another possibility if you are desperate. The Lenovo ThinkPad X121E AC adapter is needed for two reasons, charging the battery and to provide a source of power for the unit. When purchasing a replacement adapter, the actual Lenovo brand is always going to be the safest and easiest way to go.
What signals that my laptop charger is not working properly?
- The unit will not work using just the AC power adapter
- Battery does not charge up every time
- The majority of Lenovo power chargers can get quite warm when plugged in for any length of time
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