Bottle No. 1 with valve and dual alligator clips, Bottle No. 1 with dual valves and single blue electrical clamp, Bottle No. 1 with dual valve single latch electrical socket, Bottle No. 1 , paired with double alligator clips, no valve, Bottle No. 1 paired with blue electric clip, no valve, Bottle No. 1 Single-hole socket without valve, Bottle No. 2 with valve and dual alligator clips, Bottle No. 2 with dual valves and single blue electrical clamp, Bottle No. 2 with dual valve single latch electrical socket, Bottle No. 2 , paired with double alligator clips, no valve, Bottle No. 2 paired with blue electric clip, no valve, Bottle No. 2 Single-hole socket without valve, Bottle No. 3 with valve and dual alligator clips, Bottle No. 3 with dual valves and single blue electrical clamp, Bottle No. 3 with dual valve single latch electrical socket, Bottle No. 3 , paired with double alligator clips, no valve, Bottle No. 3 paired with blue electric clip, no valve, Bottle No. 3 Single-hole socket without valve, Bottle No. 4 with valve and dual alligator clips, Bottle No. 4 with dual valves and single blue electrical clamp, Bottle No. 4 with dual valve single latch electrical socket, Bottle No. 4 , paired with double alligator clips, no valve, Bottle No. 4 paired with blue electric clip, no valve, Bottle No. 4 Single-hole socket without valve, Bottle No. 5 with valve and dual alligator clips, Bottle No. 5 with dual valves and single blue electrical clamp, Bottle No. 5 with dual valve single latch electrical socket, Bottle No. 5 , paired with double alligator clips, no valve, Bottle No. 5 paired with blue electric clip, no valve, Bottle No. 5 Single-hole socket without valve, Each set comes with one extra alligator clip, Each set comes with one extra battery holder, Each set comes with one extra blue clip