LITHIUM series: 8-step 12.8V 0.8A sealed battery saving charger & maintainer OptiMate Lithium 4s 0.8A, the essential battery charger for the 12.8V/13.2V LiFeP04 / LFP in your off-road, moto-cross, or race motorcycle – Ultimate protection for your high-performance Lithium battery. OptiMate Lithium is recommended by Honda, Yamaha, Kawasaki, KTM, and Husqvarna and global Lithium battery manufacturers Anti-gravity, Super-B, and Earth-X. Automatically charge, test and maintain your 12.8V / 13.2V LiFePO4 / LFP starter or deep cycle batteries – Battery performance guaranteed! If you forgot, saves your lithium battery from as low as 0.5V with the unique and safe OptiMate Lithium method – Continues charging if healthy, stops, and warns if faulty! BMS wake-up mode safely wakes battery with integrated BMS protection out of sleep mode. OptiMate Lithium 24-7 smart inter-active maintenance prevents discharge from connected circuitry & guarantees more battery power, longer battery life! IDEAL FOR: Lithium (LiFePO4) 12.8/13.2V batteries from 2 – 30Ah CHARGING AMPS: 0.8A (constant current) CHARGING VOLTS: nominal: 12.8V range: 0.5V – 14.4V OPERATION: Fully automatic STEPS: 8 FEATURES: Saves low voltage LiFePO4 batteries. Specialized LiFePO4 charge cycle. Maintains & protects LiFePO4 batteries USE: Indoor / Outdoor (lowest temperature: -4°F / -20°C). INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed). STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. SAVE : Low Volt Start of 0.5V + 3 step low volt save & test. SAFE: No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected. INCLUDED: weatherproof battery lead & battery clip set. WARRANTY: 3-year limited replacement warranty.