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- Energizer eZV2200P
- Cat RP6500 E
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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 eZV2200P | Cat RP6500 E |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | 1700 W | Winner: Winner: 6500 W |
| Starting watts | 2200 W | Winner: Winner: 8125 W |
| Noise (lower limit) | Winner: Winner: 50 dB | 0 dB |
| Weight | Winner: Winner: 44 lbs | 202 lbs |
| Run time @50% load | Not available | Winner: Winner: 12 h |
| Run time @25% load | 11.5 h | Not available |
| Fuel tank | 0.9 gal | 7.9 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 20.1 x 11 x 17.7 | 32.9 x 27.4 x 24.7 |
| Electrical | ||
| Voltage (AC) | 120V | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | No | Yes |
| THD | <2% % | Not available |
| Engine | ||
| Engine | Not available | 420 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Not available | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | Not available | 6500 W |
| Starting watts | Not available | 8125 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 | 12 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | Not available | false |
| Compliance | Not available | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | No | Yes |
| Neutral | Not available | true |
| UPC | Not available | 815683020067 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | Not available | 6500 |
| Starting Watts (Gasoline) | Not available | 8125 |
| Runtime @ 50% Load (Gasoline) | Not available | 12 |
| AC Outlet Types | Not available | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Not available | OHV 4-stroke |
| Engine Displacement | 80 | 420 |
| Engine Oil Type | 10W-30 | SAE 30 or 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | Not available | 12 |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric |
| Included Accessories | Not available | Oil, funnel, tool kit, battery, and wheel kit |
| Warranty & identification | ||
| Part Number | Not available | 502-3688 |
| Additional specs | ||
| Summary | The Energizer eZV2200P is a 1700-watt inverter generator built for users who need portable, clean power for sensitive electronics and light-duty applications. Its compact size and 44-pound weight make it ideal for camping, tailgating, and emergency backup without requiring a dedicated storage space or heavy-duty transport. | The Cat RP6500 E is a 6500-watt gasoline generator built for residential backup and light commercial work. Its 8125-watt peak capacity means it can start large tools and appliances that draw high inrush current, then sustain 6500 watts of continuous power for multiple devices simultaneously. A 7.9-gallon fuel tank delivers 12 hours of runtime at 50% load, which translates to roughly one full workday or overnight backup without refueling. The gasoline engine is straightforward to maintain and refuel anywhere, making this unit practical for job sites, outdoor events, and emergency home power. |
- Most PowerfulCat RP6500 E6500W running
- QuietestEnergizer eZV2200P50 dB
- Longest RuntimeCat RP6500 E12h at 50% load
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Energizer eZV2200P
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Cat RP6500 E
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