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USD $99,999.00

Overview Specs Reviews

EcoFlow DELTA 3 Ultra Plus

3kWh Portable Power Station with Smart Output Priority Tech

Long-Lasting Portable Home Backup. Unmatched Performance.

3600W Output, 7200W Surge—Powerful. Stable. Built to Handle It All

DELTA 3 Ultra Plus delivers 3600W rated-output (7200W surge) , with X-Boost™ 3.0 technology, it supports devices up to 4600W—effortlessly handling heavy-duty appliances. The inverter samples AC voltage and current every 33μs with high precision with a DSP chip, ensuring a pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.

3600W Output, 7200W Surge—Powerful. Stable. Built to Handle It All

Kitchen

Living Room

Laundry Room

Office

RV Camping

Garage

3–11kWh expandable capacity

Easily Scales Up—From Hours to Days

Compatible with Smart Generators for unlimited runtime

3–11kWh expandable capacity

Easily Scales Up—From Hours to Days

Compatible with Smart Generators for unlimited runtime

3–11kWh expandable capacity

Easily Scales Up—From Hours to Days

Compatible with Smart Generators for unlimited runtime

3–11kWh expandable capacity

Easily Scales Up—From Hours to Days

Compatible with Smart Generators for unlimited runtime

Half-Day Outage

1-Day Outage

2-Day Outage

3-Day Outage

Covers essential power needs during a 4–10 hour outage—keeping food fresh, heat running, lights on, and communication devices charged. [3]

Delivers 1 days of outage protection—ensuring uninterrupted cooking, heating, lighting, and connectivity. [3]

Powers home essentials for up to 2 days [5] with 7kWh capacity—keeping your kitchen running, lights on, and devices connected. [4]

Supports a family of four through 3 days of everyday living [3] with 11kWh capacity—keeping food fresh, heat running, lights on, and entertainment devices charged. [5]

Go Hybrid—Extend Backup with a Smart Generator

Pair DELTA 3 Ultra Plus with an EcoFlow Smart Generator [6] to achieve longer runtime—automatically switching between fuel and battery to keep you powered through multi-day outages or off-grid adventure.

Two Easy Ways to Connect to Your Home

6 Ways to Charge Up — Ready in Just 48 Mins [1]

Wall Charging

Generator Charging

Solar Charging

Alternator Charging

Solar + Generator Dual Charging

Solar + Alternator Dual Charging

1800W Input, 0-80% in 89 mins. [9] EcoFlow’s exclusive Storm Guard Mode [10] monitors severe weather alerts and automatically triggers AC charging remotely using industry-leading X-Stream fast charging tech—so it can be ready long before a disaster hits.

Charges at up to 3200W via smart generator—0–80% in 53 minutes. With exclusive Generator Auto Start/Stop Mode, [11] the EcoFlow Smart Generator 4000 (Dual Fuel) recharges DELTA 3 Ultra Plus automatically when battery levels run low—delivering hands-free backup power for storms, outages, and off-grid use.

1600W input, 0–80% in 101 mins. After the storm clears, just 101 mins of sunlight is all it takes to recharge DELTA 3 Ultra Plus. Pair it with EcoFlow 400W Solar Panels (25% high-efficiency) for reliable power during camping trips, van life, or off-grid living. [12]

1000W Input, 0-80% in 142 mins. With EcoFlow Alternator Charger Plus 1000, [13] get ready in just over 2 hours while on the move—10× faster than conventional solutions. [14]

3960W Input, 0-80% in 48 mins. Fastest charge in just 48 mins with 3960W dual input from solar panels and the Smart Generator 4000.

2600W Input, 0-80% in 60 mins. Dual input from 1600W solar and 1000W alternator charging keeps you powered faster than ever, even on the go.

Automotive-grade full-tab LFP cells

Long-Lasting, Durable, Always Ready for Emergencies

Rugged exterior and intelligent BMS for unmatched reliability