This 12 volt AC adapter for my wife's Dell Inspiron keeps her going while we dry hike or travel in an RV just as efficiently as plugged in. on the campsite. Your computer will not "see" any difference between the power coming from this charger and the power coming from the Dell AC adapter/charger that came with your computer. I have also had excellent experiences with other PWR+ adapters, which is why I bought this adapter for my wife.
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