Tecmate Optimate 3, TM-431 7-Step 12V 0.8A Battery Saving Charger-Tester-maintainer OptiMate 3, the all-in-one tool for 12V battery care at home. Diagnoses, recovers, charges, tests and optimally maintains, automatically. BENEFIT: Most TRUSTED battery charger in power sports! SAVE: Low Volt Start of 2V + 2 step desulphation recovery; CHARGING AMPS: 0.8A (constant current). BENEFIT: Saves your low volt, sulphated battery! Model TM-431 IDEAL FOR: STD, AGM & GEL 12V batteries from 3 - 50Ah. BENEFIT: 24/7 automatic maintenance. Connect and forget, no more problems! USE: Indoor/Outdoor (lowest temperature: -4 DegreeF); STYLE: Weatherproof case with wall mounts, with 6ft AC supply lead and 6ft charge lead ending in SAE connector. Weatherproof battery lead & standard battery clip set included. BENEFIT: Weatherproof, high quality 'EZ connect' accessories! INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed. BENEFIT: Use anywhere in world! Energy saving stand-by mode!