Charge N Start 4120 — 4 Amp Battery Charger & 1200 Amp Jump Starter 5 AMP occasionally in the truck bed

occasionally in the truck bed or under the seat

Spark-proof technology confirms connection — reverse polarity protection prevents damage from incorrect connections

and dealerships maintaining multiple vehicles with different battery types and voltages simultaneously

Charge N Start 1120 — 1 Amp Battery Charger & 1200 Amp Jump Starter

Can be hardwired or connected via NEMA 14-50 outlet

Charge N Start 4120 — 4 Amp Battery Charger & 1200 Amp Jump Starter 5 AMP occasionally in the truck bedThe 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