Cornwell Tools' 12V Jump Starters, Nos. CLRJNC4000CW (1,100 amp) and CLRJNC660CW (1,700 amp), feature PROFORMER battery specifically designed for vehicle jump starting, built-in charger, battery status gauge, DC outlet and voltmeter to detail charge information for internal battery.

  • 1,100 amp unit features 325 cranking amps and 23" heavy-duty No. 4 gauge cable leads.
  • 1,700 amp unit features 425 cranking amps and 46" heavy-duty No. 4 gauge cable leads.

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