Ecoflow DELTA 3 Ultra Plus Portable Power Station

While we offer shipping for EcoFlow products to Hawaii, Alaska, and Puerto Rico, please note that EcoFlow does not provide official after-sales services, warranty coverage, or technical support in these regions. For any service-related inquiries regarding EcoFlow products shipped outside the U.S. mainland, please contact Wellbots directly. We recommend purchasing a CPS Accidental Warranty to protect your purchase when shipping to these locations, as it will ensure coverage in the event of damage or defects. Wellbots is solely responsible for all customer service, warranty claims, and support related to shipments to these regions.

Product Highlights

• Smart Output Priority: Choose which circuits stay powered via the app. Prioritize what matters and extend runtime when it counts most.
• 3-11kWh Expandable Capacity: Easily scale up, and can achieve longer runtime with an EcoFlow Smart Generator featuring automatic start and stop.
• 6 Ways to charge, Ready in Just 48 Mins: Ready in Just 48 Mins (0-80%) with Solar + Generator Dual Charging
• 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.
• 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.
• 2 Easy Ways to Connect to Your Home: Manual Transfer Switch and Inlet Box.
• 10ms Auto-Switch: keep critical devices like NAS systems and servers running smoothly.
• 25dB Whisper-Quiet Operation: Ultra-low noise (≤25dB at 600W).
• 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.
• Up to 5-Year Warranty: Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration.

3kWh Portable Power Station with Smart Output Priority Tech

EcoFlow DELTA 3 Ultra Plus

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.

Kitchen

Living Room

Laundry Room

Office

RV Camping

Garage

Easily Scales Up from Hours to Days

3 -11kWh expandable capacity

Compatible with Smart Generators for unlimited runtime

Half-Day Outage

Covers essential power needs during a 4-10-hour outage keeping food fresh, heat running, lights on, and communication devices charged.

1-Day Outage

Delivers 1 days of outage protection ensuring uninterrupted cooking, heating, lighting, and connectivity.

2-Day Outage

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

3-Day Outage

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.

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 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, [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.

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 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.

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.

Specifications:

Net Weight	33.7±0.6kg
Dimensions (HWD)	24.13 in × 12.90 in × 15.55 in
Rated Capacity	3072Wh 51.2V 60Ah
Cell Chemistry	LFP(LiFePO4)
AC Output	120V~60Hz 3600W total (surge 7200W), 20A(x4) Max per port, 30A(x1) Max per port
X-Boost	4600W
USB-A Output	USB-A(x1): 5V-3A/9V-2A/12V-1.5A, 18W Max
USB-C Output	USB-C(x1): 5/9/12/15V-3A, 20V/28V--5A, 140W Max (HID) USB-C(x2): 5/9V/12V/15V-3A 20V-2.25A, 45W Max per port, total 45W
12V DC Output Port	12.6V-30A, 378W Total Anderson: 30A Max (Shared power with car cigarette lighter)
Cigarette Lighter Output Port	12.6V-10A, 126W Total CAR:10A Max (Shared power with Anderson port)
AC Input (Charge Only)	100-120V~15A 50/60Hz
Maximum PV Input Power(W)	1600W
Optimal operating temperature	68°F to 86°F
Charge Temperature	32°F-113°F
Discharge Temperature	14°F-113°F
Storage Temperature	14°F-113°F
Communication Method	Wi-Fi & Bluetooth
UPS	<10ms

PACKAGE INCLUDES

EcoFlow DELTA 3 Ultra Plus 3072Wh Portable Power Station x 1

AC Charging Cable x 1

User Manual & Warranty Card x 1