... use on Car,phone,comput Car Mutil-fuction Jump starter Emergency power Instructions for use:1, select ... and discharge cycles up to 1000;To support 12V car emergency start, and various brand mobile phone ... are three voltage output products side are 19v, 12v, 5v. Electronic products supporting First check the ... end of the access 220v City electric or 12v vehicle power supply, the product began charging, ...