10 Best portable quiet generators 2025 in the United States

The EF ECOFLOW DELTA Pro is a powerful portable power station designed for home backup, camping, RV trips, and emergencies. It offers a large battery capacity of 3600Wh, which can be expanded up to 25kWh with additional batteries, making it great for longer or more demanding power needs. With a steady output of 3600W and the ability to reach 4500W using X-Boost technology, it can handle heavy-duty devices like refrigerators or power tools. It also supports multiple outlets (five AC outlets plus USB and DC ports), allowing you to charge or run many devices simultaneously.

One of its standout features is the very fast recharge time — about 1.8 hours using a strong 240V source, or just under 3 hours with solar panels, which is quite efficient for a generator of this size. The lithium iron phosphate (LiFePO4) battery technology used is known for safety and long cycle life, a plus for reliability. The unit can be charged in various ways including wall outlets, solar panels, car outlets, or EV stations, offering good flexibility.

In terms of portability, the DELTA Pro weighs 99 pounds and measures about 25 x 11 x 16 inches. This means it’s still quite heavy and bulky compared to smaller portable generators, so it’s better suited for users who need powerful, reliable backup rather than frequent transport on foot. The unit is quieter than traditional gas generators since it’s battery-powered, which is ideal for indoor or noise-sensitive environments. Smart features like app control let you monitor and manage power usage remotely, which is convenient but might be more appreciated by tech-savvy users. Safety features are solid due to the advanced battery management system. If you need a robust, quiet, and versatile power source for home backup or extended outdoor use and don’t mind the weight, the DELTA Pro represents a strong choice. However, it may be less ideal if you need something more lightweight and truly portable for casual camping or short trips.

The Jackery Solar Generator 5000 Plus is a high-capacity portable power station designed primarily for home use and emergency backup situations. It delivers a strong power output with 7200 watts running wattage and an impressive 21,600 watts starting wattage, making it capable of handling multiple or heavy-duty appliances simultaneously. The unit uses a LiFePO4 battery and is powered by solar energy, so it runs quietly and without emissions, which is a big plus for those wanting a noise-free and eco-friendly option. With its 5040Wh battery capacity, it offers a substantial run time, suitable for longer power outages or off-grid use.

It comes with four power outlets and includes 500W solar panels and a manual transfer switch, enhancing convenience and flexibility in power management. On the downside, the generator is quite heavy at nearly 174 pounds, which limits portability if you need to move it frequently. It is also a larger unit in size, so it might need a dedicated space for storage and use.

The product's specs suggest fast charging and inverter technology for stable power output. This generator is ideal for users who need a powerful, quiet, and clean energy source for home backup or extended outdoor use and can accommodate its heavier weight and size.

The Jackery Solar Generator 2000 v2 is a powerful and versatile portable power station well suited for camping, home backup, and small business use. It delivers a strong 2200W output with a large 2042Wh battery capacity, enough to keep essential devices running during outages or outdoor trips. One of its standout features is its quiet operation—thanks to advanced temperature control and silent charging modes, it works without disturbing noise or fumes, unlike gas generators. The unit is powered by a safe and durable LiFePo4 battery that can last up to 10 years, offering a clean energy alternative with no fuel needed as it runs on electricity and solar power.

Portability-wise, it’s relatively compact and lighter than similar capacity units but still weighs about 40 pounds, so it’s best moved with some effort rather than frequently carried long distances. Charging is fast and flexible, with AC, solar, and an emergency super charge option—though solar charging depends on panel availability and sunlight. The built-in inverter technology ensures stable, uninterrupted power with a quick 20ms switch time, protecting sensitive electronics during power drops. Safety is well covered with stable design and UL certification. However, the solar panels may be shipped separately, which might be inconvenient if you expect all components together.

While it’s quiet and clean, it’s not completely silent and its weight might be a consideration for some. This generator suits users looking for a reliable, quiet, and eco-friendly power source with good capacity and advanced features, especially if they are comfortable managing its size and setup.