EcoFlow DELTA 3 Plus

Industry-leading portable power station with the
fastest charging speed

A digital advertisement for a backup power generator highlighting features such as built-in UPS supporting NAS systems with less than 10 ms, 1800W output powering 99% of household appliances, ultra-quiet with 30 dB under 600W, 1024Wh capacity expandable to 5kWh, a smart app for emergency backup and bill savings, ultra-fast charge from 0-100% in 56 minutes, supports up to 4000 LFP cycles to 80%, infinite backup time with EcoFlow Smart Generator 3000 (Dual Fuel), and IP65 Battery Pack & BMS protection.
A compact, white EcoFlow power station with four power outlets on the front, placed on a futuristic, illuminated corridor. The image promotes the power station as the world's fastest-charging, certified five-star for fast charging by SGS.

What is a Portable Dual Battery System?

Unlike traditional 12V systems, EcoFlow’s Portable Dual Battery System offers easy DIY installation with no fixed wiring. Pair it with EcoFlow’s DELTA Series power stations and the 800W Alternator Charger for record-fast charging. Enjoy clean energy with no fumes, no noise, and no maintenance, while powering 99% of everyday appliances.

An off-road vehicle with luggage on roof driving on a dirt road through orange desert landscape at sunset.

Portable, Take it Anywhere

Flexible, high-performance 4x4 auxiliary power for versatile scenarios:

Portable speaker in the trunk of a car.
Outdoor camping setup with a portable refrigerator, yellow grill, and a table against a green outdoor background.
Woman using a home power backup system in a modern kitchen.

Traditional vs. EcoFlow Portable Dual Battery Systems

Comparison of traditional vehicle battery system versus EcoFlow's portable dual battery system, showing illustrations of vehicle setups and features.

Powerful Output, Whisper-Quiet Operation
1800W output, 3600W surge

EcoFlow DELTA 3 Plus powers 99% of household devices, including reefrigerators, TVs, and computers. With X-Boost, it handles appliances over 2400W, like ovens (2150W), hair dryers (1800W), and kettles (1200W). Ideal for home backup, RVs, and outdoor adventures, it ensures you'renever left in the dark.

Infographic showing device backup times, including a camera, phone, car fridge, speaker, laptop, drone, and refrigerator, with a total backup time of 5 hours for multiple appliances. Next to the infographic, a man in an orange T-shirt is standing outside a vehicle, using a remote control and wearing a head-mounted drone.
A computer workstation with a large monitor displaying video editing software, a desktop computer, and an EcoFlow portable power station on a wooden desk in a dimly lit room.

EcoFlow DELTA 3 Plus supports NAS servers and HID communication, sending a signal before the battery depletes, prompting the server to save data and shut down safely.

Ensure Reliable Backup with a 10 ms UPS

Young man working on a computer in a dimly lit room, with a 3D printer labeled 'ECOFLOW' on a desk.

Protect special and precision equipment with uninterrupted backup power. During a grid outage, the system switches to battery power within 10 ms, ensuring smooth operation for desktop computers, laptops, NAS servers, and 3D printers.

30 dB ultra-quiet operation—barely noticeable

Operates silently under 600W, blending seamlessly with ambient noise (30 dB). Perfect for use inside a tent or indoors without disrupting sleep.

A person sleeping in bed with a mattress insulator nearby, and a large fan with glowing red components showing if internal parts, placed beside a nightstand in a dark bedroom, with a poster or advertisement for the COFlow X-QUIET portable air purifier on the right side.

Peace of mind for backup power, convenient for daily use

An Intelligent Energy Management System Powered by EcoFlow Oasis

Smartphone screen showing TOU (Time of Use) modes within the EcoFlow app, with a slider set to 70%, highlighted in yellow, for TOU mode, and 28% for backup reserve, on a white background.

Customize
Storm warning mode and UPS power outage reminders swiftly activate backup power for essential appliances during emergencies. TOU (Time of Use) modes optimize electricity usage for daily bill savings.

Screenshot of the EcoFlow app interface displaying real-time power usage, input 1.2kW, and output 600W, with options for AC and 12V DC power outlets.

Control


Control even from afar.Easily turn on/off output and the connected appliances remotely.

Smartphone screen showing an electric vehicle charging app with battery charge at 99%.

Monitor


Real-time energy insights on the go.View battery status live anytime, anywhere.

Screenshot of a mobile device showing an app interface with options for EcoCredits, warranty registration, device sharing, and check update.

Constant Updates


Constant updates for optimal user experience.Regular upgrades to offer you industry-leading energy management.

Long-lasting and durable, ensuring reliable backup now and always.

Triple Protection From the Inside Out for Guaranteed Safety

Close-up of enhanced electric batteries inside a high-tech device on a dark background.

Third-gen LiFePO4 (LFP) cells offer fast charging without sacrificing longevity. With 4000 cycles to 80% capacity, enjoy up to 10 years of reliable use, 25% above the industry standard.

The compact and portable design fits effortlessly in any space.

Effortless to Use, Convenient to Transport

Diagram of a portable power station with various outlets and features, showcasing its compact design and multiple power outputs.

Field-Tested Performance

Featured on CREEK TO COAST

What’s in the box

Product image of EcoFlow DELTA 3 Plus portable power station, with an AC charging cable, manuals, and warranty card. The portable power station has a digital display and control buttons.