Gauge Voltmeter/USB

Automatically charge, test and maintain 12V AGM, GEL, EFB or STD starter or deep cycle batteries of any size – connect to the battery, the charger does the rest. The Ampmatic charging controller adjusts the current to the battery size – a small battery gets less, a large battery more. Save deeply discharged sulphated batteries at 0.5 V – the most advanced rescue program! The unique pulse absorption mode optimises battery performance – all cells are brought to the same strength! The intelligent 24-7 maintenance of the OptiMate rates more battery power and longer service life.