Introducing the all-new GENIUS1, making it one of our most powerful, highest-performing, energy-efficient, and compact charger yet. The GENIUS1 is a 6-volt and 12-volt battery charger, battery maintainer, and battery desulfator rated at 1-amp for all types of lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM and any maintenance-free battery, plus lithium-ion batteries. Compatible with all kinds of vehicles, like cars, motorcycles, lawnmowers, ATVs, tractors, trucks, SUVs, boats, classic cars, hot rods, and more. Included is a GENIUS1 1A Battery Charger, Battery Maintainer and Battery Desulfator, Needle-Nose Battery Clamps With Integrated Eyelet Terminals, User Guide, 3-Year Warranty and Designed in the USA.