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EcoFlow Backup Generators

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EcoFlow engineers whole-home LiFePO4 battery stations with zero exhaust and silent operation. Featuring expandable 6kWh to 90kWh storage and high solar input, EcoFlow systems qualify for the 30% federal clean energy tax credit.

Engineering Headquarters Seattle, Washington, USA
Factory Warranty Coverage 5-Year Limited Warranty
Lab Tested Fleet 5 Validated Models
Warranty Triage & Technical Support

Official EcoFlow Factory Service & Local Contractors

Need authorized warranty repairs or factory parts? Contact official factory support directly or find a certified local generator installer.

Call: 1-800-368-8604 Factory Portal Find Certified Installer

Tested EcoFlow Generators (5)

Showing all lab-tested EcoFlow models
LFP Station Score 8.9/10
Enclosed Inverter 1.2% THD
EcoFlow : 6,000Wh LiFePO4 EV-Grade Battery + 7.2kW Split-Phase Inverter : Floating Neutral

EcoFlow DELTA Pro Ultra 7,200W Running / 10,800W Peak Solar LiFePO4 Whole-Home Battery Generator

Best For: Indoor-safe silent apartment or home backup with zero gas fumes and expandable LiFePO4 battery storage.

Running / Surge 7,200W / 10,800W
Noise @ 23ft 30 dBA (Quiet)
Fuel & Runtime 6kWh LFP
Backup Outlet NEMA L14-30R
Power Purity <1.2% THD (Floating)
Weight & Mobility 152.1 lbs (Wheel Kit)
Lowest Verified Price
$5,799.00
$0.81 / Running Watt
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LFP Station Score 8.6/10
Enclosed Inverter 1.3% THD
EcoFlow : 2000Wh LiFePO4 EV-Grade Battery + Split-Phase Inverter : Floating Neutral

EcoFlow DELTA 2 Max 2,400W Running / 4,800W Surge Portable LiFePO4 Power Station

Best For: Lightweight 50-lb indoor apartment backup for refrigerators, CPAPs, and Wi-Fi routers.

Running / Surge 2,400W / 4,800W
Noise @ 23ft 29 dBA (Quiet)
Fuel & Runtime 2.05kWh LFP
Backup Outlet NEMA 14-50R
Power Purity <1.3% THD (Floating)
Weight & Mobility 50.7 lbs (Wheel Kit)
Lowest Verified Price
$1,399.00
$0.58 / Running Watt
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LFP Station Score 9/10
Enclosed Inverter 1.2% THD
EcoFlow : 4000Wh LiFePO4 EV-Grade Battery + Split-Phase Inverter : Floating Neutral

EcoFlow DELTA Pro 3 4,000W Running / 8,000W X-Boost 120/240V Solar LiFePO4 Battery Station

Best For: Single-unit 240V indoor battery backup for 30-amp home transfer switches and RVs.

Running / Surge 4,000W / 8,000W
Noise @ 23ft 30 dBA (Quiet)
Fuel & Runtime 4.1kWh LFP
Backup Outlet NEMA 14-50R
Power Purity <1.2% THD (Floating)
Weight & Mobility 113.5 lbs (Wheel Kit)
Lowest Verified Price
$3,699.00
$0.92 / Running Watt
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LFP Station Score 9.2/10
Enclosed Inverter 1.2% THD
EcoFlow : Dual LFP Battery Cells + Dual Pure Sine Inverters : Floating Neutral

EcoFlow DELTA Pro Dual 240V Split-Phase System (7,200W / 7.2kWh LiFePO4)

Best For: Whole-home backup resilience and jobsite power requiring dependable Floating Neutral operation and clean electrical sine waves.

Running / Surge 0W / 0W
Noise @ 23ft 0 dBA (Quiet)
Fuel & Runtime 7.2kWh LFP
Backup Outlet NEMA 14-50R
Power Purity <1.2% THD (Floating)
Weight & Mobility 198 lbs (Wheel Kit)
Lowest Verified Price
$5,199.00
$0.00 / Running Watt
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LFP Station Score 8.7/10
Enclosed Inverter 1.3% THD
EcoFlow : 3000Wh LiFePO4 EV-Grade Battery + Split-Phase Inverter : Floating Neutral

EcoFlow DELTA Pro 3,600W Running / 7,200W Surge Expandable LiFePO4 Solar Generator

Best For: Most affordable IRS 30%-tax-credit-eligible 3.6kWh LiFePO4 home and RV battery station.

Running / Surge 3,600W / 7,200W
Noise @ 23ft 32 dBA (Quiet)
Fuel & Runtime 3.6kWh LFP
Backup Outlet NEMA 14-50R
Power Purity <1.3% THD (Floating)
Weight & Mobility 99 lbs (Wheel Kit)
Lowest Verified Price
$2,499.00
$0.69 / Running Watt
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