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Lenovo ThinkPad E555 Power Adapter
The Lenovo ThinkPad E555 power adapter provides two functions, to charge the onboard battery and to provide a source of power for the unit. If buying off-brand, make sure to check the output of amps and voltage. When purchasing a replacement charger, the actual Lenovo brand is the best one to choose. Because Lenovo uses one power charger that is probably used on other similar units, be certain to thoroughly note the part number that is needed for this model. A universal power adapter can be used if you absolutely need to.
What warnings should I watch out for to know if my power adapter has gone bad?
- The laptop does not work using just the AC power adapter
- Most Lenovo AC adapters can get quite warm when plugged in for any length of time
- Battery does not charge completely
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