The Cobra JumPack Xl H2O is designed to start large V8 gasoline and diesel engines. UL 2743 Safety Standard compliance, heavy-duty jumper cables, multiple start options, and an emergency flashlight means you’re good to go in any weather condition.

Never Be Powerless with a JumPack

Car batteries die more often than you’d like. Bring them to life with a Cobra JumPack. Small, convenient, and powerful, these portable power packs can jumpstart just about any vehicle while also charging your phone multiple times on a single charge.

Two Ways to Start

Jumpstart your vehicle the traditional way or through the 12V port (CLP) inside your vehicle.

All-Weather Performance

Waterproof and UL Certified, the JumpPack H20 is ideal for all weather, indoor and outdoor use.

Dual USB Ports

Quickly charge up to two portable devices simultaneously with the included 3 amp USB ports.

Powerful and Compact

Contains a powerful 44.4Wh (12,000mAh) battery designed to jump outboard boat engines or large v8 gasoline and diesel engines.

Emergency Flashlight

Features a built-in flashlight with SOS and strobe functions for emergency situations on the water or roadside assistance.

Easy Recharge

Recharge your JumPack H20 using the 12V DC charger in your vehicle or a 120V conventional wall plug.

Cobra Portable Jumper Power Pack Highlights:

• 400 Amp Starting Current, 600 Amp Peak Current:
  Jump starts most gasoline and diesel engine passenger, and light duty vehicles in all weather conditions.
  
  
• Two Jump Start Options:
  Direct from the battery and from inside the vehicle’s 12 Volt port (CLP).
  
  
• 12000 mAh, 44.4 Wh UL Safety Standard Compliant Lithium Cobalt Battery:
  Holds a charge longer and is smaller than traditional jump starters.
  
  
• Dual 3 Amp USB Ports:
  Quickly charge two portable devices simultaneously.
  
  
• Built-in LED Flashlight:
  Super-bright Flashlight, Strobe and SOS LED.