Tecmate Optimate 7 Select, TM-251, 9-Step 10Amp Battery Charger for 12V Starter and deep Cycle Batteries The worlds most advanced SELECTABLE battery charger for starter/deep cycle batteries, including Odyssey & Optima! OptiMate 7 Select comes with a POWER SUPPLY mode for vehicle memory settings & more! SAVE: Low Volt Start of 0.5V + 2-step desulphation recovery; CHARGING AMPS: 10A (Ampmatic) @ 14.4V / 14.7V. POWER SUPPLY: 8A @ 13.6V. Model TM-251 IDEAL FOR: STD, AGM, GEL & Deep Cycle 12V batteries from 3  400Ah. USE: Indoor / Outdoor (lowest temperature: -40F / -40C); STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. Weatherproof battery lead & standard battery clip set included. INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed.