WELZH Booster Pack, Extreme Heavy Duty; 12/24v 1121-WW 1121WW

Automatic charger with smart circuit which allows the unit to be left in continuous charge without incurring damage.
Superior quality components guarantee reliability and high levels of safety.
Starts up to 30 cars before recharging is needed*.
Impact resistant, durable and robust casing.
LED Power level indicator.
12v: 2200 Peak Amps.
24v: 3200 Peak Amps.