Weego JS12 Heavy Duty Jump Starter w/Powersports Tether JS12KT1

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MSRP: $144.98
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2.65 LBS
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JS12 Heavy Duty Jump Starter with Powersports Tether

Jump Starter Battery Pack+ Heavy Duty - 12,000mAh - 12V

Starts Your Engine, Charges Your Phone & Fits in Your Pocket! Recommended for use on Gas Engines up to 6.4 liters and Diesel Engines up to 3.2 liters

Compact powerhouse that fits in your back pocket, will jumpstart a hemi, and charge a laptop. Weighs less than 1 lb!

Perfect for jump starting cars, trucks, boats, motorcycles, ATVs, and more. Also charges smartphones, tablets & speakers.


  • 12V Lithium-ion battery
  • Up to 1000 Full Charging Cycles
  • Flashlight, strobe & SOS emergency lights
  • Built-in circuitry protections with auto-off function for safe operation
  • 1-year limited warranty


  • Battery Size:12,000 mAh
  • Engine Capacity: Gas Engines up to 6.4 liters/Diesel Engine: up to 3.2 liters
  • Starting Peak Current: 200A/400A
  • Input:14V/1A
  • USB Ports:1
  • Max Output:5V/2A: 12V/10A; 19V/3.5A
  • # of Indicator Lights:5
  • Charging Time:3 Hours (for a full charge)
  • Dims:3.25" L x 3" W x 1" H
  • Weight:0.95lbs

In the Box:

  • Pre-Charged Battery Pack
  • Jumper Cables
  • Wall & Car Chargers
  • 3-in-1 USB charging cord w/micro, 30-pin & Lightning Connectors
  • 8 Laptop/Device Connectors w/Adapter Cable
  • Quick Start Guide
  • Instruction Manual

Powersports Tether

Weego Powersports Tether allows you to jump and charge with one tether! It is the ultimate convenience tool for anyone that needs access to a hard-to-reach battery. Never dig under your seat again. An SAE adapter for trickle charging included – it attaches right onto your tether for a no-hassle alternative.

*Perfect for motorcycles, ATV’s, UTV’s, personal water craft & more.


  • Works with Weego Jump Starter Battery+ Standard (JS6) and Heavy Duty (JS12) models
  • Use tether for jumping and simply attach the included SAE adapter to a trickle charger for convenient charging
  • 6mm eyelet rings fit most powersports battery terminals
  • 24” cable leads for maximum reach
  • Includes 200A fuse & diode protections to ensure your safety
  • SAE Adapter has weatherproof cap
  • Crazy long 18-month warranty

*Note: you cannot use your Weego Jump Starter to trickle charge, you need a separate device. 

What’s in the pack?

  • 1 Powersports Tether & SAE Adapter with Weatherproof Cap
  • Owner’s Manual with Warranty

Warranty Information

1-Year Limited Warranty


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