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Lenovo ThinkPad A21E Power Adapter
Upon choosing a replacement adapter, choosing the Lenovo brand one is the best one to choose. The Lenovo ThinkPad A21E power adapter is needed for two reasons, to charge any and all batteries while simultaneously providing power for the laptop. A universal AC adapter can be used but only if necessary. Due to the fact that one Lenovo adapter is most likely used on other laptop models, be certain to thoroughly note the part number that is needed for this model. If your decision is to purchase a different brand charger, it is imperative to note both the voltage and amperage output.
Cues of a declining charger
- The unit will not work using just the AC power adapter
- The majority of Lenovo power chargers will get very warm to the touch when they are plugged in for a period of time
- Your Lenovo battery refuses to charge up completely
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