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The strongest handheld jump starter on the market; designed to start any 12 volt engine systems from lawn mowers to class 8 diesel engines up to 20L or turbine engines

Product & Voltage:

  • JB12HD: 12 volts - Starts up to 20 liter diesel engines up to many times in row on a single charge!!!

Dimensions: 16"W x 9"D x 9"H

Weight: 24 lbs

Cable Size (American Wire Gauge): 

  • 2 AWG

Cable Length

  • 4 foot

Cable Termination:

  • Direct Connection / Copper Parrot Clamps (1000 amp)


  • Patented Smart Start technology
    • ECM/ECU Protection
    • Polarity Protection
    • Automatic Shutoff
  • LED Battery Display
  • 660 watt hour capacity
  • 4 Amp Charger
  • IP3 Water Resistent Rated Case
  • Impact Resistent Case (up to 1.5 meters on concrete surfaces)


Operates from -22° F to 131° F; (-30°C to 55°C). Equivalent of 3400CA/2900CCA @ 32° or 2100CCA @ 0°


  • We are so confident that you will love our products your satisfaction is guaranteed. Return for any reason within 90 days of purchase and we will give you a full refund.

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