Harbor Freight Tools


3400 Peak Amp Pro Portable Jump Starter And Power Pack

This compact jump starter delivers 300% more cranking amps

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SOLAR JNC1224 at $397.12 Save $67.13

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The VIKING® 3400 Peak Amp 12/24 Volt Jump Starter delivers up to 300% more cranking amps* to jump-start weak or drained batteries in all weather conditions. This jump starter packs enough power to turn over large engines including V12 gas and V8 diesel. Industrial grade 34 in. 2 AWG booster cables are fitted with extra heavy-duty clamps for a secure connection. The high intensity LED light provides plenty of emergency illumination for roadside repairs.

  • Extra heavy-duty clamps with industrial grade 34 in. 2 AWG cables
  • Master on/off safety switch shuts off power to clamps when in storage
  • Digital display for clear, accurate readings
  • Rapid charge 2.4A USB output
  • Impact-resistant rubber base prevents vehicle scratching
  • Reverse polarity indication with alarm
  • Five mode high intensity LED light
  • 12v DC outlet to power accessories

Important Information

  • * Compared to a standard jump starter

Starting current (amps)
800A @12V, 400A @24V
Battery capacity
2X 22Ah
Battery type
Lead acid
Battery(s) Included (y/n)
Cable gauge
Cable length
34 in.
Maximum amperage output (amps)
Product Height
14-3/4 in.
Product Length
16 in.
Product Weight
38.51 lb.
Product Width
7-3/8 in.
Shipping Weight
44.35 lb.
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.