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Big Genny 1200 Wh 12V

Big Genny 1200 Wh 12V

Regular price $2,420.00 USD
Regular price Sale price $2,420.00 USD
Sale Sold out




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.


  • 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™ Emergency Kit
Dimensions 22” L x 14” W x 9” H / 559mm L x 356mm W x 229mm H
Weight 43 lbs. / 19.5 kg
Big Genny Emergency Kit Battery
DC Voltage – Nominal 12.8 Volts DC
Amp-Hours 97 Ah
Peak Output 1,000 Watts
Rated Watt-Hour Capacity 1,240 Watt-hours
Operating / Charging Temperature 32°F to 104°F (0°C to 40°C)
Battery Chemistry Lithium Ferro Phosphate (LFP)
Memory Effect None
Charge Retention < 1% loss per month
Charge Cycles 2,500 cycles
Big Genny Emergency Kit Inverter
Continuous Output Rating 1,000 Watts
AC Output Rating 115 Volts AC +/- 5% / 12.5 Amps AC +/- 5%
Frequency Rating 60Hz ±1
Output Wave Form Pure Sine Wave
DC Input Rating 12 Volts DC / 100 Amps DC
Input Voltage Range 10.5 to 15.5 Volts DC
Low Battery Alarm 10.5 Volts DC ± 0.5 VDC
Low Battery Shutdown 10.0 Volts DC ± 0.5 VDC
Over Voltage Shutdown 16.5 Volts DC ± 0.5 VDC
No Load Current Draw <1.0 Amp DC
Optimum Efficiency >90%
USB Output Rating 5 Volts DC MAX / 2.1 Amps DC
AC Output Sockets 2 x North American Standard Outlets
Fuse Type 100 Amp DC Auto-Reset Circuit Breaker
Operating / Storage Humidity RH 5 to 95%


  • 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


Product Big Genny™ Run Time
Laptop 19 hrs
Tablet 57 hrs
Emergency Light LED (10W) 114 hrs
TV 15 hrs
Refrigerator 27 hrs
Cell Phone (Charging) 190 hrs
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For Generac Generator Installations only:

Generac Installation Checklist

Complete Permits

Additional considerations may include contacting
your homeowners association. The
installation cannot begin until all
required permits have been issued.

Permits include:
• Site Survey
• Electrical Permit
• Plumbing Permit
• Building Permit

Upgrade Fuel System
• Gas meter/LP tank (if required)
• Contact underground utility

Electrical Service
• Day of installation
• Inspection (if required)

Install Generator
• Level chosen location
• Install base
• Mount transfer switch
• Run conduit and wiring
• Install fuel line

Follow Up
• Activation
• Demo a simulated outage and turnover the generator keys
• Fuel pressure check
• Final inspection (if required)
• Review service and monitoring