24v aviation battery charger with spring loaded alligator clip, which attach to the .positive and negative battery terminal posts. 7 amp, 24 volt system multi stage fully automatic charger with fast algorithms and key maintenance float mode. 2 speed cooling fan, LED indicator lights for charge status and automatic sensing AC input. 6.5" x3.5x' x1.8" = weight 1.8 lbs. Has detachable AC power cord.