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| Specification | Energizer eZV8000 | Powerhorse s4500d |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | Yes | No |
| Parallel capable | No | No |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 6500 W | 3600 W |
| Starting watts | Winner: Winner: 8000 W | 4500 W |
| Noise (lower limit) | Winner: Winner: 76 dB | 95 dB |
| Weight | 194 lbs | Winner: Winner: 121 lbs |
| Run time @50% load | Not available | Winner: Winner: 10.6 h |
| Run time @25% load | 15.5 h | Not available |
| Fuel tank | 5.5 gal | 3.9 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 28 x 28 x 30 | 26.5 x 23.5 x 21.4 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120 |
| Voltage (DC) | Not available | 5 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <3% % | <23% % |
| Engine | ||
| Engine | 420 cc OHV 4-stroke | 212 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 6500 W | 3600 W |
| Starting watts | 8000 W | 4500 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | 10.6 h |
| Run time @25% load | 15.5 h | Not available |
| Propane | Not available | Not available |
| Running watts | Not available | 3200 W |
| Starting watts | Not available | 4000 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | 11 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Floating |
| UPC | Not available | 840321764058 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6500 | 3600 |
| Running Watts (Propane) | Not available | 3200 |
| Starting Watts (Gasoline) | 8000 | 4500 |
| Starting Watts (Propane) | Not available | 4000 |
| Runtime @ 50% Load (Gasoline) | Not available | 10.6 |
| Runtime @ 50% Load (Propane) | Not available | 11 |
| Runtime @ 25% Load (Gasoline) | 15.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 420 | 212 |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 15.5 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 10.6 |
| Runtime @ 50% Load (Propane) | Not available | 11 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, battery, and wheel kit | Funnel, tool kit, propane hose, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 2 |
| Part Number | INVEZV8000CD | Not available |
| Additional specs | ||
| Summary | The Energizer eZV8000 is a 6,500-watt inverter generator built around a 420cc OHV 4-stroke engine. This wattage places it squarely in the mid-to-heavy duty range, capable of powering multiple household appliances simultaneously. A typical home refrigerator (600 watts), microwave (1000 watts), and several lights (300 watts) can run together, leaving headroom for power tools or additional devices. The 8,000-watt peak rating handles the inrush demand when motors first spin up. Because the eZV8000 runs on gasoline and includes inverter technology with less than 3% THD, users can safely power laptops, TVs, and other sensitive electronics without risk of damage from power spikes. The 5.5-gallon fuel tank delivers 15.5 hours of runtime at 25% load, meaning a full tank can sustain light-duty operation through an entire workday or camping trip. | The Powerhorse s4500d is a dual-fuel portable generator offering 4,500 surge watts and 3,600 rated watts, suitable for various applications including home backup and outdoor activities. |
