"C30" CHARGER / RECTIFIER 6V-12V / 3.8A for charging lead-acid batteries (EFB, AGM, gel, open and VRLA) with a capacity of 1.2Ah-14Ah (6V) and 1.2Ah-120Ah (12V); includes: AC power cord, cable with clamps, bag; functions: trickle charging, overheating protection, memory backup, automatic charging current adjustment, reverse polarity protection, IP65 dust and water resistance, short circuit protection, regeneration function