I have order 2 of these and they definitely do what they say they will do . provide charge and run power for my Magellan with a decent length of cord . unfortunately , there be a few con . first , it be build to very low standard . I have one that be drop from about 2 foot off the ground and the plastic housing shatter . all internal component spill out and because the actual plastic be damage , it become unusable . second , the connector on the gp end be not a exact match to the original charger so it do not fit the windshield mount properly . this be a minor thing since a little creativity can get you around it but it be definitely worth mention . overall , if you treat it with kid glove , this seem to be a good , low-cost replacement adapter .