I don’t have a spare USB power outlet in my plane. What kind of cigarette lighter adapter do I need? A I don’t have a spare USB power outlet in my plane. What kind of cigarette lighter adapter do I need? We recommend cigarette lighter adapters that supply at least 2A per power port. We have verified, the following two adapters available on Amazon both work great. AukeyRavPower Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.