Big Genny™

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The Big Genny™ is a portable, rechargeable battery-powered generator of AC power. It stores electricity from any power source – grid, solar, wind – when access to AC power is not available, such as power outages and emergencies. It is a silent, non-toxic, cobalt-free, power supply that can be used anytime, anywhere to charge cell phones, tablets, laptops, fans, small appliances, and many other types of portable equipment for years of reliable use.

Where to Buy

Deployments: Portable / Mobile, Military, Humanitarian

  • Description
  • Specifications
  • Additional Info
  • Documentation


  • AC power for lights, chargers, computers, blenders, aquarium pumps, water purifiers, power tools and more
  • 5 Volt USB port for cell phones and tablets
  • Fits under a desk, in the car, bus or train
  • Heavy-duty wheels and collapsible handle, sealed weather-resistant case
  • Can be recharged thousands of times
  • Safe, maintenance-free and eco-friendly


Big Genny™
Voltage Output 115-120 VAC/60 Hz 5 Volt USB
Capacity 1,140 Wh/89 Ah
Peak Output 1,200 Watts
Connectors (2) AC Outlets
(2) USB connectors
Memory Effect None, recharge anytime
Operating Temp 32° to 104°F (0° to 40°C)
Charge Retention <1% loss per month
Charge Cycles 2,500
Standard Charge Time 11 hours
Charge Input 12.8 VDC
Solar Input 12 to 18 VDC up to 15A
Warranty 5 years on battery system

Additional Info

DIMENSIONS: 21 x 11 x 8 inches WEIGHT: 45 lbs (20.4 kg)

  • Meets transport safety weight requirements: Less than 35 kg including packaging
  • UN3480, Lithium Ion batteries, 9, II
  • UL and CE listed, UN/DOT and RoHS compliant components
  • Designed and built in California, USA