WEN 56225i
Generator · Super Quiet. Specs from the manufacturer page (checked ).

The WEN 56225i is a gasoline-fueled portable inverter generator rated at 1800 rated watts with 2250 surge watts. It has two 120V 15A receptacles and two 5V USB ports, and its engine is rated at 53 dB at quarter load.
Key features
- 79.7cc 4-stroke OHV engine, EPA III compliant
- 53 dB at quarter load
- Fuel shutoff runs the carburetor dry before automatic shutdown
- Two 120V 15A NEMA 5-20R receptacles and two 5V USB ports
- Total harmonic distortion under 0.3% at no load and under 1.2% at full load
- Eco-mode switch adjusts fuel use to the connected load
- Parallel operation with a second WEN inverter generator using the WEN 56421 Parallel Connection Kit (sold separately)
- One-gallon tank, over 6 hours at half load
- Low-oil and low-fuel automatic shutdown with built-in overload protection
What it is for
- Camping
- Hunting
- Tailgating
- Restoring backup power
Specifications
| Running watts | 1800 W |
|---|---|
| Peak / surge | 2250 W |
| Fuel | gasoline |
| Tank | 3.785 L (1.0 gal) |
| Run time at 50 % load | 6 h |
| Noise | 53 dB |
| AC output voltage | 120V |
| Warranty | 2 years |
From the WEN page. Values the manufacturer does not publish are left out.
Similar inverter & portable generators
Champion 2500-Watt Dual Fuel Inverter
Generac 2500i
Westinghouse iGen2800DFc
Champion 2500-Watt Ultralight Inverter
A-iPower SUA2300i
A-iPower SUA2301iD
Briggs & Stratton P2400
WEN 56225i comparisons
- 56225i vs Pulsar 2200W Dual Fuel Inverter
- 56225i vs Champion 2500-Watt Dual Fuel Inverter
- 56225i vs Generac 2500i
- 56225i vs Westinghouse iGen2800DFc
- 56225i vs Champion 2500-Watt Ultralight Inverter
Connection and wiring
Follow the diagrams in the WEN manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.
- Parallel connection, manual page 2 →
- Parallel connection, manual page 10 →
- Parallel connection, manual page 19 →
- Parallel connection, manual page 20 →
- Parallel connection, manual page 32 →
Error codes and troubleshooting
We found no error-code table in this manual. Its troubleshooting section is the reference.
FAQ
How long does the WEN 56225i run on a tank?
The maker rates it at 6 hours at 50 % load (about 900 W) on a 1.0-gal tank. A light load such as a refrigerator and lights runs longer; a full load runs shorter.
Can the WEN 56225i start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 2250 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.