Just a heads up. I know we all get these chargers from china so I waited till I was home before trying The car charger from given aware during break from nac prompted shorted out my car port. Briefly lighting for 1/10 of a sec No it's not the car port as it worked fine for 14hr ride from Atlanta Just a heads up to test in a rental car first Dd Ps- totally not blaming nac.net or Alex :-)