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.
- Pulsar PG4000BiSRCO
- Aceup Energy AI4000s
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 | Pulsar PG4000BiSRCO | Aceup Energy AI4000s |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Dual-Fuel | Not available |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 3200 W | Winner: Winner: 3200 W |
| Starting watts | Winner: Winner: 4000 W | Winner: Winner: 4000 W |
| Noise (lower limit) | 65 dB | Winner: Winner: 55 dB |
| Weight | Winner: Winner: 54 lbs | Not available |
| Run time @50% load | 6 h | Winner: Winner: 8 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 1.6 gal | 1.32 gal |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 21 x 11 x 19.5 | Not available |
| Electrical | ||
| Voltage (AC) | 120 | 120V |
| Voltage (DC) | 12 | 12V |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | ≤3% % | Not available |
| Engine | ||
| Engine | 141 cc OHV 4-stroke. | 4-stroke OHV engine |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Not available |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3200 W | 3200 W |
| Starting watts | 4000 W | 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 | 6 h | Not available |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 2800 W | Not available |
| Starting watts | 3600 W | Not available |
| 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 | 13.2 h | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA compliant |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating. | Not available |
| UPC | 814726028138 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3200 | 3200 |
| Running Watts (Propane) | 2800 | Not available |
| Starting Watts (Gasoline) | 4000 | 4000 |
| Starting Watts (Propane) | 3600 | Not available |
| Runtime @ 50% Load (Gasoline) | 6 | Not available |
| Runtime @ 50% Load (Propane) | 13.2 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) | One 20A outlet, one L5-30R Twist-Lock receptacle |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke. | 4-stroke OHV engine |
| Engine Displacement | 141 | 149 |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 6 | Not available |
| Runtime @ 50% Load (Propane) | 13.2 | Not available |
| Controls & display | ||
| Display Type | Not available | Intelligent gauge |
| Idle Control System | Not available | Economic mode to save fuel |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Not available |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Recoil start |
| Included Accessories | Oil, tool kit, key fob, propane hose, and battery | Oil funnel * 2; A bottle of Oil; Spark plug wrench |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 3 | 2 |
| Part Number | Not available | AI4000s |
| Additional specs | ||
| Summary | The Pulsar PG4000BiSRCO is a versatile dual fuel inverter generator designed for both gasoline and propane use, delivering up to 4000 peak watts and 3200 running watts. It features remote and electric start options, is RV-ready, and includes CO Sentry technology for safety. | The Aceup Energy AI4000s is a 3200-watt rated generator that operates on fuel and features inverter technology, making it suitable for various power needs. |
- Most PowerfulPulsar PG4000BiSRCO3200W running
- QuietestAceup Energy AI4000s55 dB
- Longest RuntimeAceup Energy AI4000s8h at 50% load
Where to buy
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Pulsar PG4000BiSRCO
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Aceup Energy AI4000s
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