TecMate OptiMate Lithium 4s 0.8A Quad Bank Battery Charger The TecMate OptiMate Lithium 4s Quad Bank is an intelligent charger designed to simultaneously manage up to four lithium batteries. This device ensures your batteries remain fully charged and protected against over-discharge, prolonging their lifespan. It eliminates the need for multiple chargers, simplifying the maintenance of your batteries allowing you to focus more on enjoying your activities and less on the hassle of battery management. Features: Ideal for four Lithium (LiFePO4) 12.8/13.2V batteries from 1 10Ah 8 step charger saves low voltage LiFePO4 batteries, specialized LiFePO4 charge cycle, maintains & protects LiFePO4 batteries BMS (Battery Management System) re-activates battery from sleep or deep discharge protection mode Tests battery state of health and warns when battery damage is detected Global (100-240V 50-60Hz), high efficiency (Cec listed) Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 4x 6ft / 180cm charge lead ending in SAE connector 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