10 Best Backup Generators 2025 in the United States

The DuroMax XP10000E is a powerful gas-powered portable generator designed for both residential and commercial use. Its standout feature is the 10,000-watt starting power and 8,000-watt running power, making it capable of handling heavy electrical loads such as lights, refrigerators, and even home air conditioners. The generator runs on gasoline, which is convenient for long-lasting power needs.

The 439cc OHV DuroMax engine ensures robust performance, and the inclusion of the DuroMax MX2 technology allows users to get maximum power from each 120-volt receptacle, with the flexibility to operate at both 120V and 240V simultaneously or at 120V only with full power. The electric start feature adds convenience, making it easier to get the generator running quickly during emergencies. Safety and regulatory compliance are covered as it is EPA and CARB approved for use across all 50 states.

Portability is supported by the included wheel and handle kit, although its weight of 210 pounds may make it less maneuverable for some users. The generator also comes with useful accessories such as an oil funnel, spark plug wrench, tool set, DC charging cables, and an owner's manual. With a runtime of over 133 hours, it provides extended operation time, though this likely depends on the load applied. A 3-year warranty offers additional peace of mind. The DuroMax XP10000E is a robust and versatile generator suitable for those needing reliable backup power, though its weight could be a consideration.

The DuroMax XP13000E is a gas-powered portable generator designed to provide a strong backup power source with its 13,000-watt peak output and 10,500 watts running power, making it capable of handling heavy household appliances and power tools. It runs on gasoline, which is widely available but requires safe storage and handling. The generator features an electric start, which makes it easier to turn on compared to manual pull starts, especially in emergencies. Despite its powerful engine, it is fairly portable with foldable handles and wheels, although its weight of 236 pounds means it’s best for moving shorter distances rather than frequent transport.

Safety is addressed through features like low oil shutdown and a carbon monoxide sensor, which helps prevent damage and hazards during operation. Generators of this size tend to produce noticeable noise, so it is best suited for outdoor or well-ventilated areas. The variety of outlets, including heavy-duty 240V options, makes it flexible for different power needs, and it is approved for use across all states, meeting environmental rules. The fuel tank size of 0.5 gallons suggests that frequent refueling could be necessary during extended outages. The DuroMax XP13000E is a strong choice for those needing reliable whole-home or job site power backup, but consider its size and fuel needs depending on your portability and runtime preferences.

The DuroMax XP13000EH is a powerful dual-fuel portable generator delivering up to 13,000 starting watts and 10,500 running watts, making it suitable for whole-home backup during outages or heavy power needs. Its ability to run on either gasoline or propane provides flexibility depending on fuel availability, especially useful in emergencies. The generator features an electric push-button start, making it easier and quicker to operate than manual pull-starts.

Built with a sturdy steel frame and heavy-duty components, the unit is designed for durability and can handle rough outdoor conditions. Mobility is enhanced by no-flat tires and a foldable handle, though at 234 pounds, it is quite heavy compared to smaller models, so moving it might require effort or assistance. Important safety features include low oil shutdown and a CO sensor to protect users during operation.

The generator supports a variety of outlets, including a 50-amp transfer switch-ready socket, allowing safe connection to home electrical panels. Runtime varies depending on the fuel choice and tank size, so monitoring and refilling may be necessary during extended use. This generator is ideal for homeowners needing reliable whole-house power backup or RV owners looking for strong power support, balancing high output and fuel flexibility with its weight and runtime considerations.