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Lenovo ThinkPad R51E Power Adapter
When purchasing a replacement charger, the actual Lenovo brand is the best one to choose. The Lenovo ThinkPad R51E AC adapter has two main uses, charging the battery and powering the laptop. Because Lenovo has been known to use a single AC adapter that can be used on other units, be certain to thoroughly note the part number that is needed for this model. A universal power adapter is another possibility if you are desperate. If buying off-brand, it is imperative to note both the volts and amps outputs.
How can I tell if my power adapter is about to stop working?
- The laptop does not run while just using AC power
- Most Lenovo adapters get warm when plugged in for 10 minutes or more
- Your Lenovo battery refuses to charge completely
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