TecMate OptiMate 2 DUO 2-Bank Battery Charger / Maintainer Ideal for maintaining the health and readiness of two 12V batteries simultaneously, the TecMate OptiMate 2 DUO 2-Bank Battery Charger / Maintainer is a versatile charging solution for various battery types including Std, Agm, Gel, and lithium. It intelligently delivers the appropriate charge before maintaining peak condition, simplifying battery management for multiple vehicles or devices. This charger ensures both batteries are charged and maintained, ready for use without the need for constant swapping. Features: Versatile, fully sealed automatic battery maintainer Automatically saves, charges and maintains two 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 2 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