Battery Tender® Charge N Start 4120 4 AMP Battery Charger & 1200 AMP Jump Starter One Objective and backs it all up

and backs it all up when the money's on the line

The perfect combination of performance

Red Zebra Midge #16

Is it waterproof

I think you will generally be happier going for the smaller size

Battery Tender® Charge N Start 4120 4 AMP Battery Charger & 1200 AMP Jump Starter One Objective and backs it all upThe most capable unit in the Charge N Start lineup. The Battery Tender Charge N Start 4120 combines a 4 Amp ISM smart battery charger with 1200 Amps of portable lithium jump starting power four times the charging output of the CNS 1100 and 1120, same 1200 Amp jump starting power as the CNS 1120. Faster battery recovery for larger vehicles. Maximum jump starting power. The complete battery charger and jump starter solution in one portable unit. Two