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Deals / Generators / Generac GP3300i Portable Inverter Generator

Generac GP3300i Portable Inverter Generator
Generac

Generac GP3300i Portable Inverter Generator

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$849.00

Reference price as of 2026-08-23 — check Amazon for the current price and stock.

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A step up from the GP2500i for RVers and backup users who want more running watts, USB charging, and PowerRush surge capacity in a still-portable inverter generator.

Full spec sheet

Key specs
BrandGenerac
Price$849.00
Capacity—
Continuous output2500 W
Peak / surge output3300 W
Weight60 lb
Battery chemistry—
Dimensions (L x W x H)22.2 x 13.3 x 18.4
Includes solar panelNo
Use casesCamping, Van Life
Other verified specs
Fuel typeGasoline only
Engine149cc Generac OHV, variable RPM
Noise levelNot published by manufacturer
Fuel tank capacity1.06 gal
Runtime at 25% load7 hrs
Runtime at 50% load4.5 hrs
Starting methodRecoil pull start (PowerDial)
Warranty3-year residential limited
Price sourceHome Depot retail listing (Generac does not list consumer pricing on generac.com)

Pros

  • PowerRush technology adds over 50% more starting capacity for an inverter this size
  • USB ports and Economy Mode help save fuel and charge devices on the go
  • TruePower clean output plus COsense CO shutdown
  • Parallel-ready to pair two units for double the power

Cons

  • Recoil pull start only
  • Small 1.06-gallon tank limits runtime to 4.5 hours at 50% load
  • Generac does not publish an official dBA noise rating for this model
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