Best Standby Outdoor Generators in 2026

0-80% in under 1 Hour. Ecoflow DELTA power station recharged at 10 times the speed of most portable power stations in the market with just a standard AC cable.

Huge 1.2kWh Capacity. Portability doesn't have to sacrifice capacity. DELTA is a solar powered generator with a massive 1.2kWh capacity. Enough for hours of backup power.

Power Almost Anything. DELTA's huge AC output can even support power tools up to 1800W (Surge to 3300W, Pure Sine Wave). That makes it the best portable power station at this size for output.

⚡[3 x AC OUTLETS AND 720Wh CAPACITY]: The RIVER Pro as a generator can power up to 10 devices simultaneously with multiple outlet options, including 3 pure sine wave AC outlets. Note that the total rated wattage of the AC outlets should be under 600W (surge 1200W). It offers up to 720Wh power and it weighs just 15.9lbs, which makes it a portable power station for adventure on the go.

⚡[RECHARGE FROM 0-80% WITHIN 1 HOUR]: The patented EcoFlow X-Stream technology enables you to charge the RIVER Pro from 0%-80% within one hour and offers a full charge in just 1.6 hours.

⚡[POWER A WIDE RANGE OF APPLIANCES]: With a built-in 600W inverter, the RIVER Pro can power some devices up to 1800W with the X-Boost mode on, which lets you power about 80% of essential devices like kitchen appliances and DIY tools. Please conduct full test on a case-by-case basis to see if the X-Boost feature can work with your appliances. Use devices below 1200W for the best product use.

[3 x AC Outlets And 720Wh Capacity]: The RIVER Pro as a generator can power up to 10 devices simultaneously with multiple outlet options, including 3 pure sine wave AC outlets. Note that the total rated wattage of the AC outlets should be under 600W (surge 1200W). It offers up to 720Wh power and it weighs just 16.8lbs, which makes it a portable power station for adventure on the go.

[Recharge From 0-80% Within 1 Hour]: The patented EcoFlow X-Stream technology enables you to charge the RIVER Pro from 0-80% within one hour and offers a full charge in just 1.6 hours. Use the EcoFlow 160W Solar Panel to charge RIVER Pro in 7.5-15 hours at a charging rate of 10-25V/12A max, 200W max input.

[Power A Wide Range Of Appliances]: With a built-in 600W inverter, the RIVER Pro can power some devices up to 1800W with the X-Boost mode on, which lets you power about 80% of essential devices like kitchen appliances and DIY tools. Please conduct full test on a case-by-case basis to see if the X-Boost feature can work with your appliances. Use devices below 1200W for the best product use.

Made for the Outdoor. Replace your outdoor generator with a solar generator. Includes a 220W Bifacial solar panel to capture up to 25% more energy. Charge your DELTA 2 even faster with green energy.

Built to Last 6x Longer. Its LFP battery chemistry makes for a portable power station with a 3000+ cycle life. Enough for years on end of use. With a sophisticated BMS, you can go easy knowing its an auto-regulating portable battery to keep you safe.

Power Almost Anything. Solar powered generator have come a long way. Power all your appliances with 1800W output, that's on par with outdoor generators without the fumes or noise. With 15 outlets and its huge output, you can power 90% of your appliances.

[1 Hour AC Recharge] - Fully recharge the electric generator using an AC outlet in only 1 hour with EcoFlow's X-Stream fast charging technology.

[Power All Your Essentials] - With an output of up to 600W, run 6 essential appliances simultaneously without worrying about overloading. With a whole host of ports, from 300W AC outlets to USB-C, we've got all your device's plugs covered.

[LFP Long-Life Battery] - Using LFP battery cells, use and recharge RIVER 2 more than 3000 times before hitting 80%. That's almost 10 years of regular use. RIVER 2 includes advanced BMS protection, monitoring voltage, current, and temperature to keep your LFP battery running for years.

RECHARGE FROM 0% TO 80% WITHIN 1 HOUR: With EcoFlow’s patented X-Stream Technology, the smart inverter enables a fast rechargeability that takes less than 1 hour to charge from 0% to 80%, and it gets fully charged in 1.6 hours. You can switch to a quieter charging condition by turning on the “Quiet Charging” status on the APP.

COMPATIBLE WITH 80% of HOME APPLIANCES: The X-Boost Technology’s advanced built-in algorithm enables most heavy-duty kitchen appliances and tools (up to 1800W) to operate. With X-Boost, RIVER can power 80% of essential home appliances and devices, especially those within 1200W for better using experience. The discharging rates and X-Boost mode can be monitored and controlled through the EcoFlow APP.

3 x 600W AC OUTLETS AND 288Wh CAPACITY: The RIVER can power up to 10 devices simultaneously. With 3 pure sine wave AC outlets, the RIVER can power devices up to 1800W with the X-Boost mode on. With a capacity of 288Wh, the RIVER provides enough juice to run essential devices for hours, depending on the actual output.

Fast Solar Charging. With up to 800W of solar input, DELTA Max is a solar powered generator that charges fast. With a single 220W panel, you can charge in 11.5-23 hours. Ideal for power outages.

Large Capacity. 2016Wh of energy stored means you can use it as an outdoor generator, or indoors for backup power. Keep appliances going for hours on end.

Clean, Green & Quiet. Replace your traditional gas generator with a solar generator. No fumes, totally portable, no noise and renewable charging. Compatible with both EcoFlow solar panels and select third-party models.

1.8 Hrs to Full Charge. EcoFlow's patented X-Stream AC fast charging lets you recharge DELTA Max in only 1.8 hours. Or even quicker if you combine any two charging methods, that's from an AC wall outlet, solar panels, or a Dual Fuel Generator.

2-6kWh Expandable Capacity. DELTA Max's large 2kWh capacity keeps your home appliances running during a blackout. Expand up to 6kWh with Extra Batteries, keeping your home powered on in any emergency.

Power Heavy-duty Devices with 2400W Output. 2400W output to power up to 15 devices at once. Power 3400W appliances with X-Boost on. That means during a power outage or blackout, you can continue to power your fridge, microwave, dryer, and more. Ideal power generator for backup power.

[Huge Expandable Ecosystem] - Home battery that can expand capacity from 3.6kWh-25kWh with Extra Batteries, EcoFlow Smart Generators & the Smart Home Panel for backup power.

[Plug&Play Home Backup Power]- Starting from one unit, power your essential appliances with 3600W and 120V output by directly connecting one DELTA Pro with your home's power inlet box when a blackout hits.

[Unparalleled 3600W Output] - A power generator for your appliances during a blackout. Power up 4500W devices with X-Boost. Enough for heaters or window AC units.

Home Emergency Power. Portable Power Station DELTA Max expands up to 6kWh with smart extra batteries, keeping your home powered on in any emergency.

Rapid Dual Charging. Charge up from 0-80% in 65 minutes. Or get up to 3400W speeds by combining AC charging and the EcoFlow Smart Generator.

Power Multiple Devices. Looking for something to power heavy-duty devices like your fridge and dryer? With X-Boost, DELTA Max handles devices up to 3400W with ease.

[1 Hour AC Recharge] - Fully recharge using an AC outlet in only 1 hour with EcoFlow's X-Stream fast charging technology.

[Power All Your Essentials] - With an output of up to 1000W, run 11 essential appliances simultaneously without worrying about overloading. With a whole host of ports, from 300W AC outlets to USB-C, we've got all your device's plugs covered.

[LiFePO4 Long-Life Battery] - Using LFP battery cells, use and recharge RIVER 2 Max more than 3000 times before hitting 80%. That's almost 10 years of regular use. RIVER 2 Max includes advanced BMS protection, monitoring voltage, current, and temperature to keep your LFP battery running for years.

【Huge Expandable Capacity】 - Large 1612Wh capacity for home backup which can be expandable up to 5644Wh with extra battery connected (1.6kWh to 5.6kWh can support one to three days family emergency use).

【Power Pretty Much Anything】 - With a total of 2000W AC output and 15 outlets (6*AC outlet, 2*USB-A, 2*USB-A fast charge, 2*USB-C, 1*Car power outlet, 2*DC5521) to play with, DELTA Max is able to power 99% home appliances. It can support up to 2800W device and prevent overload from using the high-power devices with the X-Boost mode on.

【Multiple Charging Methods】 - More than a solar generator. Charge with AC, solar, car or the EcoFlow Smart Generator. Charge to 80% in under 1hr via wall outlets. Use Dual Charging to combine AC with the Smart Generator for even faster speeds. Pair solar + AC, or Solar + the Smart Generator for outdoor use.

[Capture more solar energy] With a 220W primary side, and a 155W side on the back for ambient light, this solar panel can capture up to 25% more solar energy to charge DELTA 2 Max even faster. A conversion rate of up to 23% guarantees efficient solar storage charging 0-100% in 10.35 hours (1 set) or 5.43 hours using 2 sets.

[0-80% in 43 Mins] Fuel up 80% in Only 43 Mins. With DELTA 2 Max's upgraded tech, combine up to 1000W solar input with AC for world-leading charging speeds. In only 43 min get an 80% charge. Or stick with AC for an 80% charge in a speedy 1.1 hour.

[Long-lasting LFP Battery] LiFePO4 battery chemistry provides 3000 100% charging cycles till it lowers to 80% capacity. That's 6× more cycles than the industry average and more cost-efficient. Upgraded LFP battery offers more than 10 years of use.

[Solar generators: The difference] EcoFlow solar generators, like DELTA Pro, are your green clean alternative to traditional fossil fuel-powered generators. Unlike traditional generators, DELTA Pro doesn’t give off poisonous fumes, is quiet, and requires little maintenance.

[Massive solar input] DELTA Pro packs a whopping 1600W solar input. With 3x400W solar panels get a full recharge in 3.5 - 7 hours.

[Collosal output, capacity & storage] With a 3600Wh capacity and 3600W output, DELTA Pro can power pretty much everything. Also, you’re able to store energy created by the 400W solar panels with ease.

Fuel up 80% in Only 43 Mins. With DELTA 2 Max's upgraded tech, combine up to 1000W solar input with AC for world-leading charging speeds. In only 43 min get an 80% charge. Or stick with AC for an 80% charge in a speedy 1.1 hour.

10-Year Long-Lasting LFP Battery. LFP battery chemistry provides 3000 cycles till it lowers to 80% capacity. That's 6× more cycles than the industry average and more cost-efficient. EcoFlow DELTA2 Max electric generator also comes with an extended 5-year service.

Expandable Capacity from 2kWh to 6kWh. Triple the capacity of DELTA 2 Max with up to 2 extra solar powered batteries. Customize your energy depending on your needs. With a plug-and-play design, it's easier than ever to prepare for blackouts.

1.6 Hrs X-Stream Fast Charging. Ecoflow portable generator that hits 80% in under 1hr. Or, use it as a solar generator for clean solar charging and get up to 300W solar input with MPPT optimization.

Power Almost Anything. More possibilities open up when you bring along 1400W for up to 12 devices. Great as an outdoor generator or for backup power. Use X-Boost and you can even power 1800W devices.

Pint-Sized Powerhouse. Ecoflow DELTA mini is a electric genrator packing 882Wh into a light 23.6lbs design. Take power to any outdoor environment, go camping or travel.