3kWh Portable Power Station with Smart Output Priority Tech
EcoFlow DELTA 3 Ultra Plus (3072Wh)
Long-Lasting Portable Home Backup. Unmatched Performance.
3600W Output, 7200W Surge—Powerful. Stable. Built to Handle It All
DELTA 3 Ultra Plus (3072Wh) 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.
Easily Scales Up—From Hours to Days
3–11kWh expandable capacity
Compatible with Smart Generators for unlimited runtime
Half-Day Outage
1-Day Outage
2-Day Outage
3-Day Outage
Require connecting 1 × DELTA 3 Ultra Plus + 2 × DELTA 3 Max Plus Smart Extra Battery or 1 × DELTA 3 Ultra Plus + 2 × DELTA Pro 3 Smart Extra Battery with EcoFlow Smart Extra Battery Expansior Adapter.
Delivers 1 days of outage protection—ensuring uninterrupted cooking, heating, lighting, and connectivity.
* Require connecting 1 × DELTA 3 Ultra Plus + 2 × DELTA 3 Max Plus Smart Extra Battery or 1 × DELTA 3 Ultra Plus + 2 × DELTA Pro 3 Smart Extra Battery with EcoFlow Smart Extra Battery Expansion Adapter
Powers home essentials for up to 2 days with 7kWh capacity—keeping your kitchen running, lights on, and devices connected.
* Require connecting 1 × DELTA 3 Ultra Plus + 2 × DELTA 3 Max Plus Smart Extra Battery or 1 × DELTA 3 Ultra Plus + 2 × DELTA Pro 3 Smart Extra Battery with EcoFlow Smart Extra Battery Expansion Adapter.
Supports a family of four through 3 days of everyday living with 11kWh capacity—keeping food fresh, heat running, lights on, and entertainment devices charged.
* Require connecting 1 × DELTA 3 Ultra Plus + 2 × DELTA 3 Max Plus Smart Extra Battery or 1 × DELTA 3 Ultra Plus + 2 × DELTA Pro 3 Smart Extra Battery with EcoFlow Smart Extra Battery Expansion Adapter.
Go Hybrid—Extend Backup with a Smart Generator
Pair DELTA 3 Ultra Plus (3072Wh) with an EcoFlow Smart Generator 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
Wall Charging
1800W Input, 0-80% in 89 mins. EcoFlow’s exclusive Storm Guard Mode 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.
Generator Charging
Charges at up to 3200W via smart generator—0–80% in 53 minutes. With exclusive Generator Auto Start/Stop Mode, 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.
Solar Charging
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.
Alternator Charging
1000W Input, 0-80% in 142 mins. With EcoFlow Alternator Charger Plus 1000, get ready in just over 2 hours while on the move—10× faster than conventional solutions.
Solar + Generator Dual Charging
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.
Solar + Alternator Dual Charging
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.
Long-Lasting, Durable, Always Ready for Emergencies
Automotive-Grade Full-Tab LFP Cells
Rugged exterior and intelligent BMS for unmatched reliability
Built to Last
From battery chemistry to structural design, DELTA 3 Ultra Plus (3072Wh) is engineered for extreme durability, environmental resilience, and whisper-quiet performance—delivering power you can count on for over 10 years.
Battery Protection
EcoFlow’s advanced BMS uses a high-performance ARM Cortex chipset and intelligent algorithms to monitor your battery in real time. By tracking SOC, SOH, temperature, and more, it ensures peak performance, extended battery life, and worry-free operation.
Deeper Insights, Easier Control
Monitor your energy usage, savings, and solar generation—all with one intuitive dashboard. Easily track battery status, real-time electricity rates, and financial savings.
Compatibility
🔌 Anderson & cigarette lighter share total DC power of 378W (30A max combined). USB-C (140W) supports HID charging protocols.
⭐ Customer Reviews
Absolutely rock-solid power station
“Handles my entire van build with ease. The 3600W output is no joke, and the UPS switchover is flawless.”
— Sarah M. · Verified Buyer
Solar charging is a game changer
“1600W solar input means I'm off-grid indefinitely. Build quality is top-tier.”
— Mike T. · Off-Grid Enthusiast
Great backup for home essentials
“Kept my fridge and wifi running for 2 days during outage. App control works perfectly.”
— Jessica L. · Homeowner

