All GeneratorsDealsCompareMy PicksGenerator Finder
All GeneratorsDealsCompareMy PicksGenerator Finder
  • Guides
  • Blog
  • FAQ
  • Rankings

Helping you find the right generator for your needs with objective specs and clear comparisons.

Categories

  • Quiet Generators
  • Inverter Generators
  • Dual-Fuel
  • Home Backup
  • Portable
  • All Brands

Resources

  • Rankings
  • Compare Generators
  • Generator Finder
  • Deals
  • Buying Guides
  • Blog
  • FAQ
  • About Us

Legal

  • Terms of Service
  • Privacy Policy
  • DMCA
  • Disclosures

Disclosure

RightGenerator is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no cost to you.

© 2026 RightGenerator. All rights reserved.

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.

  • A-iPower AP10700ED
  • Powerhorse s27000d
  • Model AP10700ED
    Model AP10700ED

    A-iPower 8,500W Dual-Fuel Generator

    8500W
    Running
    78 dB
    Noise
    View details
  • Model s27000d
    Model s27000d

    Powerhorse 18,000W Dual-Fuel Generator

    18000W
    Running
    97 dB
    Noise
    View details
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).
Generator Specifications Comparison
SpecificationA-iPower AP10700EDPowerhorse s27000d
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
8500 W
Winner: Winner: 18000 W
Starting watts
10700 W
Winner: Winner: 27000 W
Noise (lower limit)
Winner: Winner: 78 dB
97 dB
Weight
Winner: Winner: 243.2 lbs
557 lbs
Run time @50% load
Not available—
Winner: Winner: 8 h
Run time @25% load
22.5 h
Not available—
Fuel tank
10.8 gal
17.17 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
28 x 27.4 x 29.1
38 x 25.5 x 33.6
Electrical
Voltage (AC)
120/240V 60 Hz
120/240
Voltage (DC)
Not available—
12
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationNoYes
THD
<23% %
<5% %
Engine
Engine
459 cc OHV 4-stroke, cast iron sleeve
999 cc OHV V-Twin
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Electric
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
8500 W
18000 W
Starting watts
10700 W
27000 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—
8 h
Run time @25% load
22.5 h
Not available—
PropaneNot available—Not available—
Running watts
7700 W
16200 W
Starting watts
9600 W
24300 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—
Not available—
Run time @25% load
8 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
Low oil
false
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Bonded to frame
true
UPC
850055834804
840321763976
Core / High-priority specs
Running Watts (Gasoline)
8500
18000
Running Watts (Propane)
7700
16200
Starting Watts (Gasoline)
10700
27000
Starting Watts (Propane)
9600
24300
Runtime @ 50% Load (Gasoline)
Not available—
8
Runtime @ 25% Load (Gasoline)
22.5
Not available—
Runtime @ 25% Load (Propane)
8
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
2x Duplex 120V 20A (5-20R) GFCI2x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Not available—
OHV V-Twin
Engine Displacement
Not available—
999
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
22.5
Not available—
Runtime @ 50% Load (Gasoline)
Not available—
8
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Oil, funnel, tool kit, propane hose, battery, and wheel kit
Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit
Warranty & identification
Residential Warranty
Not available—
2
Commercial Warranty
Not available—
2
Additional specs
Summary
The A-iPower AP10700ED is an 8,500-running-watt dual-fuel generator built for home backup and job-site power. Its gasoline tank runs 22.5 hours at light load, while propane operation cuts that to 8 hours. The 120/240V output and L14-30R receptacle enable transfer-switch installation for whole-home backup, making it a stationary power solution rather than portable equipment.
The Powerhorse s27000d is a robust dual-fuel generator offering 27,000 surge watts and 18,000 rated watts, suitable for both professional and home backup power needs.
  • Most Powerful
    Powerhorse s27000d
    18000W running
  • Quietest
    A-iPower AP10700ED
    78 dB
  • Longest Runtime
    Powerhorse s27000d
    8h at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower AP10700ED
Store links
No links yet.
Powerhorse s27000d
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.