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Lenovo ThinkPad R500 Power Adapter
The Lenovo ThinkPad R500 AC adapter is needed for two reasons, charging the battery while simultaneously providing power for the laptop. When purchasing a replacement AC adapter, choosing the Lenovo brand one will probably be the safest way to go. If buying off-brand, please check on the output of amps and voltage. A universal AC adapter can be used if you are desperate. Because Lenovo uses one power charger that powers multiple other machines, be certain to thoroughly note the part number that is needed for this model.
Major indications of a poorly working charger
- The majority of Lenovo power chargers can get quite warm when plugged in for any length of time
- Battery does not charge every time
- The laptop does not function using just the AC power adapter
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