AC to DC Converter AC12V to DC12V 1A 2A 3A 5A Power Converter 12V to 12V 5A 60W
AC-DC 12V(10-28V) TO 12V 1-5A. Make sure the battery capacity is large enough to provide sufficient energy. Make sure that all the polarity is correct, and the anti-negative conversion converter (except for input tape reverse protection).