TecMate OptiMate 2 DUO 4-Bank Battery Charger / Maintainer The TecMate OptiMate 2 DUO 4-Bank Battery Charger/Maintainer is a versatile solution for anyone looking to maintain multiple 12V batteries. Capable of charging up to four batteries at once, it accommodates various types including lead-acid, Agm, GEL and Lithium. It ensures optimal charging and maintenance, keeping batteries fully charged and ready for use. Ideal for those with multiple vehicles or battery-powered systems, this charger takes the hassle out of battery maintenance. Features: Versatile, fully sealed automatic battery maintainer Automatically saves, charges and maintains four 12.8V/13.2V lithium (LiFePO4/LFP) or 12V lead-acid (Std, AGM and gel) batteries Adaptive charge program adjusts to the battery type and condition Global (100-240V 50-60Hz), high efficiency (Cec listed) OptiMates 24/7 smart maintenance guarantees more battery power and longer battery life Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 4 x 6ft / 180cm charge lead ending in SAE connector Safety features include no risk of overcharging, totally safe for vehicle electronics, sparks suppressed, safe for long-term battery maintenance and automatic shut-down if short-circuited or battery disconnected