This compact portable Lithium Ion starting unit is a full 28VDC battery pack and will provide superior starts on small to medium size turbine engines. It has a built in charger with a total of 3.5 amps output and a recharge time of approximately six hours.This unit is designed for engine starting only.20 amp hours @ 10 Hour rate2400 AMPS Peak Current30 lbs./13.6 kg complete weight with built in charger and aircraft cableL16 x L3.75 x L12/L9.525cm x W3.75cm x H30.48cmNot to be used as an aircraft battery charger.