50/10/6a, 12v, fully automatic charger/engine starter, micro processor controlled, great for engine starting, charging & rugged use, provides 50a of engine starting power, as well as 10a boost & variable 6 to 2a charge/maintain rates, reverse hook up protection, durable steel casing, energy efficient, 6′ power cord, 1 year warranty, 50 state doe compliant.