TECMATE Battery Charger/Maintainer TM371

Nine-step charger and maintainer for deep cycle 12V batteries that demand accurate temperature controlled charging and safe unsupervised long-term maintenance. Voltage selection (14.4V/14.7V) ensures the battery receives charge at the correct voltage. Charging amps: 6A @ 14.4V/14.7V; 4A @ 13.6V. Ampmatic charge control adjusts current to match battery size. Use indoors or outdoors (lowest temperature: -40°F/-40°C). Low-volt start of 0.5V and two-step desulphation recovery. Ideal for STD, AGM, gel and deep cycle 12V batteries. Input: global (100V-240V 50Hz-60Hz), high-efficiency (CEC listed), fully sealed. Weatherproof case with wall mounts. Six-foot AC supply lead and six-foot charge lead ending in SAE connector. Weatherproof battery lead and standard battery clip set included. 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