Harbor Freight Tools


400 Watt Continuous/800 Watt Peak Modified Sine Wave Power Inverter

This high performance inverter powers small appliances, laptops, game consoles and more

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This power inverter lets you run power tools, small appliances and electronics during a camping trip, roadside stop or power outage by using your vehicle's battery. This power inverter features a high surge capacity for products that require power up to 800 watts to start and a LCD readout to monitor amps and voltage.

  • High surge capacity for products that require power up to 800 watts to start
  • Continuous power up to 400 watts
  • Protection from low/high voltage, high temperatures, high currents
  • Built-in cooling fan provides maximum cooling for consistent operation
  • Two 120v AC outlets
  • Two USB ports - compatible with all smartphones and tablets
  • Short circuit protection
  • LED indicator light

Important Information

  • Not for marine use. Use only with 12v deep cycle lead-acid batteries rated for RV use. To preserve battery life do not discharge battery below 50% charged state. To maintain 50% charged state start the vehicle's engine every 30 to 60 minutes and let it run for at least 10 minutes to recharge battery.

Max Running Watts
Low battery shutdown
AC Volts
Shipping Weight
1.20 lb.
Thermal Overload Protection (y/n)
Output: Surge Watts
CA Residents
Warning - Prop 65 Info
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.