Compare Generators Side-by-Side

Generator

Generator

5000 W

194 lbs

15.5 h

120

120/240V 60 Hz

223 cc OHV 4-stroke, cast iron sleeve.

420 cc OHV 4-stroke

Recoil

Recoil, Electric

3 years

3 years

5000 W

8000 W

20 h

15.5 h

CARB, EPA, ANSI/PGMA G300-2023

CARB, EPA

850016881298

4000

6500

20

15.5

60

60

OHV 4-stroke

OHV 4-stroke

cast iron sleeve

20

15.5

Low oil and overload protection, CO monitoring

Low oil and overload protection

Oil, funnel, tool kit, and wheel kit.

Oil, funnel, tool kit, battery, and wheel kit

3

3

The A-iPower GXS5000 is a 4000-watt gasoline generator built for homeowners and RV users who need reliable backup power without excessive noise. With 5000 watts of starting power, it can kick-start larger appliances like air conditioners and well pumps, then sustain 4000 watts of continuous output for essential devices. This wattage class handles a full home backup scenario or powers a job site with moderate tool use, but not heavy industrial equipment or multiple high-draw appliances simultaneously. At 68 decibels, the GXS5000 runs quieter than most generators in its class. The 6.3-gallon fuel tank delivers 20 hours of runtime at 25 percent load, meaning light-duty use like charging devices or running a refrigerator stretches a full tank across an entire day. The recoil start system and included wheel kit make this a grab-and-go option for users who value simplicity over push-button convenience.

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.