EcoFlow DELTA 3 Ultra Plus Portable Power Station (3072Wh)

Name: EcoFlow DELTA 3 Ultra Plus Portable Power Station (3072Wh)
Brand: EcoFlow
SKU: EFDELTA3UPLUS-US
Price: 1199.20 USD
Availability: InStock

$1,199.20

In stockShips from Baton Rouge, LA30-day warrantyFrom delivery, on eligible productsFree shippingProcessing 1 business day after payment; delivery about 2–7 business days after dispatch

Shipping & delivery 30-day returns Warranty

Check local voltage, plug, installation, and product-certification requirements before ordering. We confirm compatibility and availability for your destination before payment.

Overview

At the top of the DELTA 3 range, the Ultra Plus (3072Wh) provides 3600W of output and expands from 3 to 11kWh. It connects to a home through a Manual Transfer Switch or Inlet Box, making it a strong choice for serious home backup.

Planning a system? Read our guide: How to size a battery backup system for your home.

Key benefits

X-Boost supports heavy-duty appliances up to 4600W, such as electric dryers.
Ready in 48 minutes (0 to 80%) with solar and generator dual charging.
Smart Output Priority lets you choose which circuits stay powered.
10ms auto-switch keeps NAS systems and servers running.

Key features

3600W output with 7200W surge.
6 ways to charge.
3-11kWh expandable capacity, with automatic start and stop when paired with an EcoFlow Smart Generator.
Automotive-grade full-tab LFP cells rated for 10 years, with 24/7 BMS protection and Class-B certification.
Two home connection options: Manual Transfer Switch and Inlet Box.
Ultra-low noise of 25dB or less at 600W.

Ideal use

Best for home backup covering large appliances and selected circuits, with room to add capacity for longer outages.

Key specifications

Model / SKU: EFDELTA3UPLUS-US
Brand: EcoFlow
Category: Portable power
Energy capacity: 11 kWh
Rated power: 3,600 W

From the manufacturer

1. Smart Output Priority: Choose which circuits stay powered via the app. Prioritize what matters and extend runtime when it counts most. 2. 3-11kWh Expandable Capacity: Easily scale up, and can achieve longer runtime with an EcoFlow Smart Generator featuring automatic start and stop. 3. 6 Ways to charge, Ready in Just 48 Mins: Ready in Just 48 Mins (0-80%) with Solar + Generator Dual Charging 4. 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. 5. 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. 6. 2 Easy Ways to Connect to Your Home: Manual Transfer Switch and Inlet Box. 7. 10ms Auto-Switch: keep critical devices like NAS systems and servers running smoothly. 8. 25dB Whisper-Quiet Operation: Ultra-low noise (≤25dB at 600W). 9. 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. 10. Up to 5-Year Warranty: Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration.

Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.

Before you order

We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.

Ask our team to help plan how the DELTA 3 Ultra Plus connects to your home circuits. Message our team on WhatsApp.