- Heavy duty design - Fully automatic 7 stage charging system. - Fully automatic selection of 6V or 12V batteries for charging with LED indicator. - IP65, CE, EMC, SAA and C-TICK Approved, making it ideal for automotive & marine situations. - Fully automatic battery chemistry selection function. Compatible with GEL, Calcium, Deep Cycle and conventional lead-acid batteries. - Internal charger temperature monitoring and control. - Partial repair for sulfated batteries. - Charging state LED indicators. - Zero volt minimum battery start up - can charging a completely flat battery. - Over charging, reverse polarity, short circuit and over temperature protection. - Supplied with alligator clips and ringed terminals for fixed connection.