Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Energizer eZV4800
- Yamaha EF4500iSE
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Energizer eZV4800 | Yamaha EF4500iSE |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | 3600 W | Winner: Winner: 4000 W |
| Starting watts | Winner: Winner: 4800 W | 4500 W |
| Noise (lower limit) | 70 dB | Winner: Winner: 58 dB |
| Weight | Winner: Winner: 78 lbs | 209 lbs |
| Run time @50% load | Winner: Winner: 11.8 h | Not available |
| Run time @25% load | 16.2 h | 15.2 h |
| Fuel tank | 3.2 gal | 4.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 18 x 17 x 21 | 30.7 x 24.3 x 27.2 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 3 % |
| Engine | ||
| Engine | 223 cc 4-stroke | Yamaha MZ360 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3600 W | 4000 W |
| Starting watts | 4800 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 | 11.8 h | Not available |
| Run time @25% load | Not available | 15.2 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | N/A | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 628963400837 | 765053833196 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3600 | 4000 |
| Starting Watts (Gasoline) | 4800 | 4500 |
| Runtime @ 50% Load (Gasoline) | 11.8 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 15.2 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) | 1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 4-stroke | OHV 4-stroke |
| Engine Displacement | 223 | 357 |
| Engine Oil Type | SAE 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 15.2 |
| Runtime @ 50% Load (Gasoline) | 11.8 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Included Accessories | Not available | Battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | INVEZV4800AD | EF45ISEZ |
| Additional specs | ||
| Summary | The Energizer eZV4800 is a 3,600-watt inverter generator built on a 223cc 4-stroke engine. This wattage class handles mid-range household loads: refrigerators, window air conditioners, power tools, and multiple devices simultaneously. The 78-pound weight and 18 x 17 x 21 inch footprint make it portable enough for job sites and camping trips, yet substantial enough to deliver real power without constant refueling. Gasoline fuel means no special storage concerns, and the inverter output protects laptops, phones, and televisions from voltage spikes. | The Yamaha EF4500iSE is a 4500-watt inverter generator designed for maximum efficiency and minimal noise, suitable for emergency backup, recreational use, and DIY projects. |
- Most PowerfulYamaha EF4500iSE4000W running
- QuietestYamaha EF4500iSE58 dB
- Longest RuntimeEnergizer eZV480011.8h at 50% load
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Energizer eZV4800
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Yamaha EF4500iSE
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