- EcoFlow’s Top Home Generators for a Power Outage in 2025
- Best for Apartment and Small Home Backup: EcoFlow DELTA 3 Ultra Plus
- Best For Essential Home Appliances: EcoFlow DELTA 3 Max Plus
- Best Affordable Power Station for Short Blackouts: EcoFlow DELTA 3 Classic
- What to Consider When Choosing the Best Home Generator for Power Outages
- What Are the Benefits of Adding a Solar Generator to My Home for Power Outages?
- Frequently Asked Questions
- Looking for the Best Home Generator for Power Outages? Shop EcoFlow!
4 Best Home Generators for Power Outages in 2025
- EcoFlow’s Top Home Generators for a Power Outage in 2025
- Best for Apartment and Small Home Backup: EcoFlow DELTA 3 Ultra Plus
- Best For Essential Home Appliances: EcoFlow DELTA 3 Max Plus
- Best Affordable Power Station for Short Blackouts: EcoFlow DELTA 3 Classic
- What to Consider When Choosing the Best Home Generator for Power Outages
- What Are the Benefits of Adding a Solar Generator to My Home for Power Outages?
- Frequently Asked Questions
- Looking for the Best Home Generator for Power Outages? Shop EcoFlow!
In 2025, power outages don't have to leave you in the dark.
Discover four of EcoFlow's best home generators, each designed to meet various power needs during blackouts.
Whether you're looking for a whole-home backup solution or just want to power a handful of essential appliances, we've got you covered.
EcoFlow’s Top Home Generators for a Power Outage in 2025
Best Whole Home Generator: EcoFlow DELTA Pro Ultra X
Best for Home Backup: EcoFlow DELTA 3 Ultra Plus
Best for Best For Essential Appliances: EcoFlow DELTA 3 Max Plus
Best for Short Blackouts: EcoFlow DELTA 3 Classic
Best Whole-Home Generator: EcoFlow DELTA Pro Ultra X Solar Generator (PV400W)
When it comes to energy security, the EcoFlow DELTA Pro Ultra X whole-home generator puts worrying about grid power outages to rest.
Its innovative design offers a seamless blend of power, versatility, and sustainability, making it ideal for whole-home backup.
The DELTA Pro features fast charging capabilities, and high-efficiency EcoFlow 400W Rigid Solar Panels can keep your home running indefinitely off-grid.
But EcoFlow DELTA Pro Ultra X isn’t just a solar generator — with X charging and Y multicharging options, you’ll never have to worry about power outages again, and you can reduce grid electricity consumption by 75% or more.
A single unit delivers 12 kilowatts of split-phase 120V/240V AC output (LRA 178A), enough to
support a 5-ton air conditioner.
Not enough power?
EcoFlow DELTA Pro Ultra X is expandable up to 36kW of split-phase AC output to power almost any home.
This whole-home battery backup and generator is a significant step towards sustainable living and decreasing or eliminating reliance on the aging electricity grid.
With EcoFlow DELTA Pro Ultra X, you’re not just choosing a backup generator, you’re investing in a smarter, cleaner, and more resilient home.
Portable Power Station Specifications
Storage Capacity (Minimum): | 12.288kWh (6144Wh x 2) |
Storage Capacity (Maximum): | Maximum Capacity with 1 inverter 61.440kWh (6144Wh x 10) Maximum Capacity with 3 inverters 184.32kWh (6144Wh x 30) |
AC Output (Minimum): | 12kW, 120/240V, 60Hz |
AC Output (Maximum): | Up to 36kW in 3 parallel units |
Solar Charge Capacity (Maximum): | TBC |
Weight: | Inverter: 34.5±0.2kg（70.06±0.44 lb） Battery: 50.5±0.2kg（111.3±0.44 lb） |
Dimensions: | Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.) Battery：660 × 455 × 204 mm (26 × 18 × 8 in.) |
Operating Noise Level: | Noise level <30 dB at 0.5 m (ambient temperature 25 °C, 4 kW output) |
Charging Options: | TBC |
Multi-Charge Options? | TBC |
Battery Chemistry: | Lithium Iron Phosphate (LFP/LiFePO4) |
UPS | <10ms standalone, <20ms with Smart Home Panel 3 |
Warranty: | 5-year |
App Monitoring and Control? | Yes |
Solar Panel Specifications
Rated Power | 400W |
Efficiency | 23% |
Solar Cell Type | Monocrystalline |
Weight | 48.1 lbs (21.8 KG) |
Dimensions | 67.8 x 44.6 x 1.38 in (1722 x 1134 x 35 mm ) |
Waterproof/Dustproof Rating | IP68 |
Open Circuit Voltage | 37.10 V (±3%) |
Short Circuit Current | 13.79 A (±5%) |
Recommended Portable Power Station | EcoFlow DELTA Series |
Pros
Expandability: Storage capacity expandable to 180kWh. 120/240 split-phase AC output expandable up to 36kW (72kW surge). Suitable for whole-home backup.
Multiple Charging and Multi-Charging Options for fast top-ups and convenience.
Reduces or Eliminates Grid Reliance: Integrating solar panels, gas, or inverter generators reduces reliance on the grid.
Cons
Size and Weight: EcoFlow DELTA Pro Ultra X is significantly heavier and bulkier than the DELTA 3 Series whole-home generators featured in this article.
Best for Apartment and Small Home Backup: EcoFlow DELTA 3 Ultra Plus
If you live in an apartment or a small house, EcoFlow DELTA 3 Ultra Plus + 400W Solar Panel can provide whole-home generator backup or, at a minimum, power all your essential appliances and home entertainment devices.
Unlike EcoFlow DELTA 3 Classic, Ultra Plus is highly scalable, both in terms of battery storage capacity and AC output.
The EcoFlow DELTA 3 Ultra Plus comes with 3 kWh of capacity out of the box. It’s expandable to 11kWh with Smart Extra Batteries, providing days of home backup during blackouts and the opportunity to save significantly on electricity bills.
You can connect EcoFlow DELTA 3 Ultra Plus to your existing home wiring with a manual transfer switch or inlet box to seamlessly power your home during outages.
Portable Power Station Specs
Storage Capacity (Minimum): | 3072Wh |
Storage Capacity (Maximum): | 10 kWh |
AC Output (Minimum): | 3600W (4600W X-Boost/7200W Surge) |
AC Output (Maximum): | N/A |
Solar Charge Capacity (Maximum): | 1600W |
Weight: | 75 lbs (34kg) |
Dimensions: | 24 in × 13 in × 15.55 in (613 mm × 328 mm × 395 mm) |
Operating Noise Level: | ~30 dB |
Charging Options: | AC; Solar; Alternator; Generator; AC+PV |
Multi-Charge Options? | Yes (multi-charge) |
Battery Chemistry: | LFP (LiFePO4) |
UPS | <10ms Auto-Switchover |
Warranty: | 5-year |
App Monitoring and Control? | Yes |
400W Portable Solar Panel Specifications
Rated Power: | 400W |
Efficiency: | 22.6 % |
Solar Cell Type: | Monocrystalline Silicon |
Weight: | 35.3 lbs (16.0 KG) |
Folded Dimensions: | 41.7×24.4×1.0 in (105.8×62.0×2.5 cm) |
Unfolded Dimensions: | 41.7×93,1×1.0 in (105.8×236.5×2.5 cm) |
Waterproof/Dustproof Rating: | IP68 |
Open Circuit Voltage: | 48V (Vmp 41V) |
Short Circuit Current: | 11A (lmp 9.8 A) |
Recommended Portable Power Station: | EcoFlow DELTA 3 Series |
Pros
Extended Blackout Protection: Up to three days of home battery power backup
Highly expandable
Home circuit board integration with manual transfer switch or inlet box
Cons
May lack sufficient AC output for homes with 3 residents or more
Best For Essential Home Appliances: EcoFlow DELTA 3 Max Plus
The EcoFlow DELTA 3 Max Plus Solar Generator is an excellent option for essential home backup, offering peace of mind during blackouts with its robust battery storage capacity and power output. Ideal for running your must-have appliances like refrigerators, freezers, space heaters, and window or portable air conditioners, this solar generator provides a reliable backup power source.
One of the key benefits of the DELTA 3 Max Plus is its rapid rechargeability, making it easy to top up with the EcoFlow 400W Portable Solar Panel included in this bundle.
Solar charging aligns with sustainable energy practices, offering an eco-friendly backup option.
Unlike fossil-fuel burning portable, standby, and inverter generators, EcoFlow solar generators are whisper-quiet and safe for indoor use.
EcoFlow DELTA 3 Max Plus Portable Power Station Specifications
Storage Capacity (Minimum): | 2048Wh |
Storage Capacity (Maximum): | 10 kWh (w/Extra Batteries) |
AC Output (Minimum): | 2400W (3400W X-Boost/4800W Surge) |
AC Output (Maximum): | N/A |
Solar Charge Capacity (Maximum): | 500 W |
Weight: | 45 lbs (20.3 kg) |
Dimensions: | 19.45 in×9.41 in×12.01 in (494mm×239mm×305mm) |
Operating Noise Level: | ~30 dB |
Charging Options: | AC; Solar; Alternator; Generator; AC+PV |
Multi-Charge Options? | Yes (multi-charge) |
Battery Chemistry: | LFP (LiFePO4) |
UPS | <10ms Auto-Switchover |
Cycle Life: | N/A |
Depth of Discharge: | N/A |
Warranty: | 5-year |
App Monitoring and Control? | Yes |
400W Portable Solar Panel Specifications
Rated Power: | 400W |
Efficiency: | 22.6 % |
Solar Cell Type: | Monocrystalline Silicon |
Weight: | 35.3 lbs (16.0 KG) |
Folded Dimensions: | 41.7×24.4×1.0 in (105.8×62.0×2.5 cm) |
Unfolded Dimensions: | 41.7×93,1×1.0 in (105.8×236.5×2.5 cm) |
Waterproof/Dustproof Rating: | IP68 |
Open Circuit Voltage: | 48V (Vmp 41V) |
Short Circuit Current: | 11A (lmp 9.8 A) |
Recommended Portable Power Station: | EcoFlow DELTA 3 Series |
Pros
Expandable Capacity: Can add additional capacity to meet your energy storage needs.
Fast Charging: Features fast recharge capabilities.
Versatile Use: Powers a wide range of appliances efficiently.
Cons
Insufficient AC output and storage for whole-home backup and extended power outages.
Best Affordable Power Station for Short Blackouts: EcoFlow DELTA 3 Classic
EcoFlow DELTA 3 Classic Solar Generator with 220W Solar Panel is the perfect solution for handling shorter power outages. With 1800W of AC Output (3600W Surge), it can power high-demand household appliances, from microwaves to fridges, during blackouts.
Its 220W solar panel’s bifacial design enhances solar charging efficiency, especially in low-light conditions, offering up to 25% conversion and fast charging speeds.
EcoFlow DELTA 3 Classic offers charging options:
AC Charging: Plug the portable power station into a standard household electrical outlet and recharge from 0% to 80% in just 45 minutes. EcoFlow DELTA 3 Classic also functions as a 10ms uninterruptible power supply (UPS) for sensitive electronics, like computers and hard drives.
Solar Charging: Connect up to 500W of solar panel input (rated charge output), for example, 2 x EcoFlow NextGen 220W Bifacial Portable Solar Panels, and recharge anywhere there’s sunlight.
Generator Charging: Charge fully in 1 hour with the 1400W hybrid smart generator input. EcoFlow Smart Generators (Dual-Fuel) offer seamless integration and serve as an excellent last line of defense when grid and solar power are unavailable.
Car Charging: EcoFlow DELTA 3 Classic is lightweight and portable enough to take on the road easily. Top up while you drive with the EcoFlow 500W Alternator Charger.
Embrace sustainability and reliability with EcoFlow DELTA 3 Solar Generator, an accessible choice for shorter power outages, helping ensure comfort and security in your home and on road trips.
Portable Power Station Specifications
Storage Capacity (Minimum): | 1024Wh |
Storage Capacity (Maximum): | N/A |
AC Output (Minimum): | 1800 W (2600W X-Boost/3600 W Surge) |
AC Output (Maximum): | N/A |
Solar Charge Capacity (Maximum): | 500 W |
Weight: | 27 lbs (12.1 kg) |
Dimensions: | 15.67 in × 7.87 in × 11.14 in (398mm × 200mm × 283mm) |
Operating Noise Level: | ~30 dB |
Charging Options: | AC; Solar; Generator; Car Charger (DC); AC+PV |
Multi-Charge Options? | Yes (multi-charge) |
Battery Chemistry: | LFP (LiFePO4) |
UPS | 10ms Auto-Switchover |
Cycle Life: | N/A |
Depth of Discharge: | N/A |
Warranty: | 5-year |
App Monitoring and Control? | Yes |
Solar Panel Specifications
Rated Power: | 220W (±5W) Front/175W Rear |
Efficiency: | 25% |
Solar Cell Type: | N Type TOPCon Monocrystalline Silicon |
Weight: | Approx. 15.4 lb (7.0 kg) |
Folded Dimensions: | 24.2×23.2×1.3 in/615×590×32 mm |
Unfolded Dimensions: | 24.2×84.8×1.0 in/615×2155×25 mm |
Waterproof/Dustproof Rating: | IP68 |
Open Circuit Voltage: | 21.5V (Vmp 18.4V) |
Short Circuit Current: | 12.4A (Imp 11.9A) Front Side/ 9.9A (Imp 9.5A) Rear Side |
Recommended Portable Power Station: | RIVER 3/DELTA Series |
Pros
High Efficiency: Fast solar charging with a high conversion rate.
Versatile Use: Powers most high-demand home appliances.
Affordable: Lower price point makes home backup power more accessible to everyone.
Cons
Limited to Shorter Outages: Best suited for brief power disruptions, not long-term emergencies.
What to Consider When Choosing the Best Home Generator for Power Outages
Below are a few factors you should consider when choosing your ideal home generator for power outages:
Capacity and Power Output
Consider the generator’s storage capacity and output capabilities. These specs impact how many devices you can power and for how long, especially during prolonged outages.
Charging Speed
Look for generators with fast charging capabilities. Quick recharge times mean less downtime and more consistent power availability.
Portability and Size
Portability is crucial, especially if you plan to use the generator for other activities, like camping or road trips, in addition to home backup.
Durability and Weather Resistance
Ensure your generator is durable and can withstand various weather conditions, especially if you plan to use it outdoors or in emergency situations.
Ease of Use and Connectivity
Consider generators that are easy to set up, have user-friendly interfaces, and offer smart connectivity options, like the EcoFlow App. They also provide greater convenience and control over power management and backup.
What Are the Benefits of Adding a Solar Generator to My Home for Power Outages?
Purchasing a solar generator offers not just reliable power backup during outages but also an environmentally friendly energy solution. Here are some of the key benefits:
Eco-Friendly Energy Source: Solar generators harness renewable solar energy, reducing reliance on fossil fuels. Using solar energy instead of traditional energy sources not only minimizes your carbon footprint but also contributes to a cleaner environment.
Cost-Effective in the Long Run: While the initial investment may be higher, solar generators can yield significant savings. By generating your own electricity from sunlight, you can cut down on electricity costs. Once your solar payback period is over, you’ll start seeing a significant return on investment.
Quiet Operation: EcoFlow solar generators operate safely and quietly, making them ideal for indoor use—even in a bedroom or home office.
Reliable Power Supply During Emergencies: A dependable home battery backup is a game-changer. The right solar generator can provide crucial support during outages, ensuring that essential appliances stay operational.
Independence from the Grid: By generating your own electricity and storing it in a solar battery backup, you can become less dependent on the power grid. Energy independence is especially beneficial in areas prone to frequent or prolonged power outages.
Safe for Indoor Use: Unlike gas and inverter generators that emit deadly carbon monoxide, solar generators produce no fumes and are safe to use indoors.
Frequently Asked Questions
What Is the Best Home Generator for Power Outages?
The best home generator for power outages is one that aligns with your specific energy needs and home setup. For comprehensive whole-home backup, opt for solar generators with a large storage capacity, high electricity output, rapid charging, and the option to expand.
Looking for the Best Home Generator for Power Outages? Shop EcoFlow!
We’ve explored our top home solar generators for power outages in 2025, each tailored to different needs.
From the robust EcoFlow DELTA Pro Ultra X for whole-home backup to the versatile DELTA 3 Series for essential appliances and systems, EcoFlow has reliable, eco-friendly solutions that will transform electricity usage in your home and keep you out of the dark.
Ready to secure your home against power outages? Explore our range for the perfect fit and embrace uninterrupted power anytime. Shop EcoFlow today for cutting-edge power solutions.