... current:1A, 2.1A3)Output voltage: 5Vdc4)High efficiency up to 85% to 90%5)micro USB, mini USB, standard USB selectable6 ... loose of the plug from cigarette lighter11)Used to charge all kinds of Nokia phone, Apple phone, iPhone, iPad, mobile phone, ... welcome.Paypal welcome. Cigarette lighter car battery charger 12V 24V to 5V 1A 2.1A