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Lenovo M5400 Power Adapter
Upon choosing a replacement charger, selecting the Lenovo OEM charger is the best one to choose. The Lenovo M5400 AC adapter has two main uses, to charge the onboard battery while simultaneously providing power for the laptop. Because Lenovo has been known to use a single AC adapter that is most likely used on other laptop models, be certain you select the correct one for the M5400 model. A universal power adapter can be used if you absolutely need to. If your decision is to purchase a different brand charger, make note of the output of amps and voltage.
Easy warnings of a declining AC adapter
- Battery does not charge all the time
- Most Lenovo adapters get warm when plugged in for 10 minutes or more
- The laptop does not work while just using AC power
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