Model GENMAX1500The Sportsman GENMAX1500 is a portable 2-cycle gasoline generator offering 1,500 surge watts and 900 running watts, suitable for powering common household appliances and power tools.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.
Here's the quick tradeoff view — what this model does well, and where it may not fit.
The Sportsman GENMAX1500 is a gasoline generator built around a 900-watt running output with 1500 starting watts for handling brief startup surges. That mix of running and starting capacity makes it a straightforward option for portable power needs where a compact gasoline unit is preferred.
Because it runs on gasoline, the GENMAX1500 fits into familiar refueling routines, and its power ratings set clear expectations for what it can support: steady loads up to 900 watts, with extra headroom up to 1500 watts when a device first kicks on.
With gasoline as its fuel source, the GENMAX1500 pairs 900 running watts with 1500 starting watts, which matters most when powering items that draw more power at startup than they do once running. Noise is rated at 65 dBA, giving you a concrete reference point for how present the generator will sound while operating.
For runtime, the GENMAX1500 lists 8 hours at 50 percent load, which helps with planning longer stretches of use without constant attention. It also lists a 1-gallon fuel tank, tying the unit’s operation to a compact onboard supply. Runtime at 25 percent load is given as 0, so the usable runtime figure provided here is the 8-hour rating at 50 percent load.
At 45 lbs, the GENMAX1500 stays within a weight that can be moved around for portable use, especially when you need to reposition it between storage and the spot where you want power. Its dimensions of 16 x 14 x 16 inches reinforce that compact footprint, making it easier to fit into tighter spaces while still delivering its rated output.
Starting is handled through a recoil system, which keeps operation simple and direct: you are engaging the generator manually rather than relying on an electric start method. The unit is listed as EPA compliant, aligning it with that stated emissions standard. Sportsman backs the GENMAX1500 with a 1-year warranty, providing a defined coverage window for ownership.
Exceeds capacity
Needs 240V output
Needs 240V output
Exceeds capacity
Needs 240V output
Needs 240V output
Exceeds capacity
Est. running: 400W
Peak surge (single motor): 1,200W
Avoid starting multiple motor loads at the same time.
Est. running: 400W
Peak surge (single motor): 1,200W
Avoid starting multiple motor loads at the same time.
Est. running: 200W
These are estimates using typical wattage assumptions. Real appliances vary. Startup surges can be 2–6× the running wattage for motor-driven loads. 240V loads require a 120/240V generator and proper connection. Use a transfer switch or interlock kit; never backfeed a panel.
Sportsman is a brand known for its reliable and cost-effective portable generators, catering particularly to outdoor enthusiasts and homeowners looking for affordable backup power solutions.
| Fuel | Running | Starting | Runtime @50% | Runtime @25% |
|---|---|---|---|---|
| Gasoline | 900W | 1500W | 8h | Not available |
| Running Watts | 900 watts |
|---|---|
| Starting Watts | 1,500 watts |
| Starting Watts (Gasoline) | 1,500 W |
| Running Watts (Gasoline) | 900 W |
| Engine | 72 cc 2-stroke |
|---|---|
| Engine Type | 2-stroke |
| Engine Displacement | 72 cc |
| Spark Arrestor | No |
| Emissions Compliance | EPA |
| Voltage (AC) | 120 |
|---|---|
| Voltage (DC) | 12 |
| Phase | Single |
| Running Amps | 7.5 A |
| Peak Amps | 12.5 A |
| AC Frequency | 60 hz |
| GFCI Outlets | No |
| DC Outlets | 1x 12V 8A receptacle |
| AC Outlets | 1x Duplex 120V 20A (5-20R) |
| Dimensions | 16 x 14 x 16 inches |
|---|---|
| Weight | 45 lbs |
| Emissions Compliance | EPA |
|---|---|
| Automatic Voltage Regulation | No |
| Automatic Voltage Regulator | No |
| Covered Outlets | No |
| Electric Start | No |
| Fuel Gauge | No |
| Fuel Tank Capacity | 1 gallons |
| Included Accessories | Tool kit and battery charging cables |
| Indicators | No |
| Inverter | No |
| Noise Level | 65 dBA |
| Parallel Capable | No |
| Recoil Start | Yes |
| RV Ready | No |
| Starter Type | Recoil |
| Starting System | Recoil |
| UPC | 27,077,805,444 |
| Warranty | 1 years |
| Wheels | No |
| Fuel Type | Gasoline |
|---|
| Runtime @ 50% | 8 hours |
|---|---|
| Runtime @ 50% Load (Gasoline) | 8 hours |
Describe your ownership experience. No links, prices, or retailer mentions.