Introduction
The WEN GN625i 6250‑Watt Inverter Generator presents an elegant blend of robust performance, regulated power output, and enhanced portability. Equipped with a 301 cc 4‑stroke OHV engine, it delivers 6 250 watts surge and 5 000 watts continuous clean power with under 1.5 percent total harmonic distortion, ensuring safe operation of sensitive electronic equipment. Its 4.2‑gallon fuel tank offers up to 8.1 hours of half‑load runtime, while weighing in at just 119.5 pounds with its wheel kit. The control interface includes multiple outlets—including RV‑ready and transfer‑switch‑ready connectors—eco‑mode for fuel efficiency, and vital protection features like low‑oil shutdown and carbon‑monoxide sensing. It boasts both CARB and EPA approval, qualifying for sale in all U.S. states. This model typically sells in the US Generators & Accessories for approximately $686 to $980.
Product Features Table
| Feature | Specification / Detail |
|---|---|
| Engine type & displacement | 301 cc 4‑stroke OHV engine |
| Power (running / surge) | 5 000 W running; 6 250 W surge |
| Fuel tank & runtime | 4.2 gallons; up to 8.1 hours at 50% load |
| Output quality (THD) | Clean sine wave, under 1.5% total harmonic distortion |
| Outlet configuration | Four 120 V NEMA 5‑20R, one 120 V RV‑ready TT‑30R, one 120/240 V transfer‑switch L14‑30R, two 5 V USB |
| Portability & dimensions | 119.5 lbs (with wheels), 27″ × 25″ × 24″ dimensions, open‑frame with wheels & handle |
| Fuel‑saving/Efficiency | Eco‑mode idle control adjusts engine speed for load; fuel usage approx. 0.52 gal/h |
| Safety & control features | Data meter (voltage, frequency, hours), low‑oil shutdown, circuit breaker, CO shutdown sensor |
| Compliance & warranty | CARB and EPA compliant; two‑year warranty |
| Typical price range (US niche) | USD 686–980 |
Deep Dive into Key Features (No Comparisons)
1. Engine & Power Output
The WEN GN625i uses a 301 cc 4‑stroke OHV engine, generating a surge output of 6 250 watts and a continuous output of 5 000 watts. Its inverter design provides a clean sine‑wave output with less than 1.5 percent total harmonic distortion, making it ideal for powering sensitive electronics.
2. Fuel Capacity and Runtime
With a 4.2‑gallon gasoline tank, the unit achieves up to 8.1 hours of runtime at 50 percent load, equating to approximately 0.52 gallons per hour.
3. Outlets & Connectivity
The control panel offers a versatile array of outlets:
- Two duplex 120 V 20 A (5‑20R)
- One 120 V 30 A RV‑ready (TT‑30R)
- One 120/240 V 30 A transfer‑switch‑ready (L14‑30R)
- Two 5 V USB ports
4. Portability & Build
The open‑frame design measures approximately 27 × 25 × 24 inches (with wheel kit), and it weighs 119.5 pounds—claimed to be around 30 percent lighter than typical 6 250-watt generators. Features include never‑flat wheels and a folding handle for easier transport.
5. Fuel‑Efficiency Control—Eco‑Mode
The eco‑mode idle control switch allows the engine to automatically adjust its speed based on demand, improving fuel efficiency and reducing noise at lower loads.
6. Safety & Monitoring Features
The generator includes:
- A digital data meter showing voltage, frequency, and operating hours
- Low‑oil shutdown for engine protection
- Circuit breaker for overload protection
- Carbon‑monoxide shutdown sensor for safety
- 7. Certifications & Warranty
It meets both CARB and EPA standards, enabling sales across all U.S. states. Warranty coverage spans two years, with access to a nationwide service network.
8. Price in Amazon Micro‑Niche
Within the Generators & Accessories category on Amazon US, this model typically lists between USD 686 and USD 980, reflecting competitive pricing for its class.
Additional Observations
- The open‑frame chassis facilitates service access and airflow but still presents moderate weight that may challenge solo portability—even with wheels and a handle.
- Noise levels approach those of a large lawnmower, prompting some users to recommend hearing protection when operating nearby.
- The reliance on a manual recoil pull-start (as opposed to electric start) and lack of pre-installed oil can be user challenges during initial setup.
Summary
The WEN GN625i 6250‑Watt Gas‑Powered Inverter Generator stands out with its blend of reliable power output, fuel efficiency, clean energy, portability enhancements, and modern safety features. Its CARB/EPA certification and two-year warranty further reinforce its position as a convenient and dependable choice in the US Generators & Accessories category. While it lacks electric start and is moderately hefty, its overall value and utility align well with user needs across emergency backup, RV usage, and on-site power supply scenarios.