EcoFlow DELTA 3 Ultra Plus

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

EcoFlow 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.

EcoFlow DELTA 3 Ultra Plus Common Features

1. 3600W Powerful Output: 7200W surge output. With X-Boost™ mode, supports heavy-duty appliances up to 4600W, such as clothing steamers, electric dryers, lawnmowers, and electric frying pans.
2. Long-Lasting, Durable, and Reliable: Equipped with automotive-grade full-tab LFP cells, offering 10 years of reliable power, 24/7 protection BMS, Class-B certification, and EV-grade CTC structure that protects against overnight condensation and off-road bumps during transport.
3. 2 Easy Ways to Connect to Your Home: Manual Transfer Switch and Inlet Box.
4. 10ms Auto-Switch: keep critical devices like NAS systems and servers running smoothly.
5. 25dB Whisper-Quiet Operation: Ultra-low noise (≤25dB at 600W).
6. OASIS 3.0 Smart App Control: Dashboard to monitor real-time battery status, electricity prices, and savings. Storm Guard Mode automatically activates backup power before extreme weather hits. Self-Powered Mode and Scheduled Tasks save you money daily.
7. Up to 5-Year Warranty: Includes a 3-year standard warranty and a 2-year extended warranty available upon EcoFlow App registration.

Go Hybrid—Extend Backup with a Smart Generator

Pair DELTA 3 Ultra Plus 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 adventures.

EcoFlow DELTA 3 Ultra Plus Specifications

6 Ways to Charge Up — Ready in Just 48 Mins

1. 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.
2. 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.
3. Solar Charging
   1600W input, 0–80% in 101 mins. After the storm clears, just 101 minutes 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.
4. 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.
5. 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.
6. 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.

EcoFlow DELTA 3 Ultra Series

	Model Name	Early Price	Details
	EcoFlow DELTA 3 Ultra	$2,499.00 – $1,399.00	View Product
	EcoFlow DELTA 3 Ultra Plus	$2,899.00 – $1,599.00	View Product
	EcoFlow DELTA 3 Max	$1,499.00 – $799.00	View Product
	EcoFlow DELTA 3 Max Plus	$1,899.00 – $1,099.00	View Product
	EcoFlow DELTA 3 Classic	$599.00 – $409.00	View Product

Built to Last

From battery chemistry to structural design, DELTA 3 Ultra Plus 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.
• CTC Structure
  Built with a cell-to-chassis (CTC) structure, DELTA 3 Ultra Plus is drop-resistant (0.2m) —protecting against overnight condensation and off-road bumps during transport. You get stable power even in the most demanding conditions.
• Durable Qualities
  DELTA 3 Ultra Plus keeps your power flowing through freezing cold, scorching heat, humid environments (95% humidity tolerance), or coastal air (5% salt spray resistance).
• Class B Certified
  Certified to Class B EMC standards, it won’t interfere with TVs, Wi-Fi, or other home electronics.
• 25dB
  Powered by X-Quiet™ 3.0, EcoFlow’s stepless fan control adjusts airflow smoothly to maintain precise thermal regulation—keeping your home or workspace peacefully quiet, even under heavy loads.

What’s in The Box

1. EcoFlow DELTA 3 Ultra Plus 1x
2. AC Charging Cable 1x
3. Manuals & Warranty Card 1x

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Early Bird

EcoFlow DELTA Pro Ultra X

MSRP Price: $10,597.00 $7,999.00

100% Whole-Home Power Station: Delivers 12–36kW output and 12–180kWh capacity.Plug&Play design.Save up to $6000/year.

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