Free Shipping Across the United States.Read our full Shipping Policy here.
Market-Leading 30-Day Returns Process.Read more about our Returns Policy here.
Zoom
Hot
New
In stock
Pre-order
Out stock
EcoFlow DELTA 3 Ultra Plus 3072Wh Portable Power Station
$1,599.00
FOUND A LOWER PRICE?
Let us know and we will beat it. Get the best deal online, Always.
Authorized Dealer
Full Manufacturer Warranty Included
Free Shipping, No Sales Tax*
No Sales Tax Outside Wisconsin
30 Day Return Window
Clear Policies. No Runaround.
Specialist Support Team
Pre And Post Purchase Assistance
Description
Shipping & Easy Returns
Why Buy From Us
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—10x— 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.
Features
- 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.
Specifications
- Net Weight: 33.7±0.6kg
- Dimensions (HWD): 24.13 in x— 12.90 in x— 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 with car cigarette lighter)
- Cigarette Lighter Output Port: 12.6V-10A, 126W Total, CAR:10A Max (Shared with Anderson port)
- AC Input (Charge Only): 100-120V~15A 50/60Hz
- Maximum PV Input Power: 1600W
- Optimal Operating Temperature: 68°F-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
Warranty
Energy Systems Central Stores is an authorized retailer of EcoFlow products. Because of this, we pass on EcoFlow's manufacturer 3-Year warranty to you.
Choosing the right retailer matters, especially for critical power and off-grid systems. Here’s what sets Energy Systems Central apart.
- Free Shipping Nationwide: Transparent pricing with no hidden fees at checkout.
- Best Price Assurance: If you find the same product offered for less, we’ll review and match it where applicable.
- Easy 30-Day Returns: Clear, straightforward return policies designed for peace of mind.
- Expert-Led Support: Speak directly with knowledgeable specialists who understand the products. Call us at 888-332-7989.
FREQUENTLY ASKED
QUESTIONS
Yes. We provide free standard shipping on all orders shipped within the United States. Shipping costs are included in the listed price with no hidden fees at checkout.
Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.
We offer a 30 day return window for eligible products that are unused and in original condition. Our support team will guide you through the return or exchange process if needed.
Absolutely. Yes. Our knowledgeable product specialists are available by phone, live chat, or email to help you select the right equipment for your application.
Most products include a manufacturer warranty, typically starting at one year. Warranty terms vary by brand and model and are listed on each product page.
Yes. We are an authorized retailer and only sell brand new, genuine products sourced directly from manufacturers or their approved distributors.
