Perfect for starter and deep-cycle 12V batteries (including Odyssey and Optima) that demand accurate temperature-controlled charging and unsupervised safe long-term maintenance Voltage selection (14.4V / 14.7V) to ensure the battery receives charge at the correct voltage Power supply mode delivers stable power for vehicle system reprogramming, showroom vehicle demo or retaining memorized settings when battery cables are disconnected to fit powered accessories or replace the battery 10A @ 14.4V / 14.7V / 8A @ 13.6V charging amps For indoor/outdoor (lowest temperature: -40F / -40C) Ideal for STD, AGM, GEL and deep-cycle 12V batteries from 3 400Ah Global input (100-240V, 50-60 Hz) and high efficiency (CEC listed) Weatherproof case with wall mounts, with 6 ft. (180cm) AC supply lead and 6 ft. (180cm) charge lead ending in SAE connector. OPTIMATE 7 SLCT PWR SUPLY