OptiMate DC-DC – the Unique battery to battery charger! OptiMate DC-DC draws power from one 12V battery to charge another – No AC power required! OptiMate DC-DC brings you the advanced OptiMate features to places where there is no access to an AC Mains Power supply. Recover, charge and maintain your battery using a larger source battery (ideally 1.5x capacity) without fear of discharging the source thanks to OptiMate's Source Battery Protection. BMS re-activates battery from sleep or deep discharge protection mode. OptiMate DC-DC automatically adapts to the connected battery type – Guarantees healthy lithium or lead-acid batteries! FEATURES • For all 12V starter battery types including lead-acid (Pb) > STD (with filler caps), AGM GEL (sealed VRLA) and Li-Ion made .
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