Hello, Homedepotcustomer - We are sorry to hear that this charger wasn't exactly what you were looking for and you returned it! This charger cannot be used with a car cigarette lighter. And we would have been happy to speak with you about this issue, so we could have tried to turn this experience around. But we're glad that you had no trouble with the return and thank you for leaving us this review. And feel free to email us anytime at Reviews@RYOBItools.com, if you'd like to continue this conversation.