Product Details
The EcoFlow Delta 3 Ultra Portable Powerstation with 500W Solar Panel is a next-generation energy solution designed for both home backup and off-grid adventures. Delivering up to 3600W of power and 4600W with X Boost, it easily runs heavy-duty appliances like dryers and lawnmowers. Featuring 4 versatile charging methods, it reaches 80% capacity in just 89 minutes via wall or generator input and supports extended runtimes through the EcoFlow Smart Generator. Built for long-term reliability, the DELTA 3 Ultra uses automotive-grade full-tab LFP cells and an EV-grade CTC structure for enhanced durability, along with 24/7 BMS, Class B certification, and protection from moisture and shocks. With 2 simple home integration options such as a manual transfer switch or inlet box, it ensures seamless power continuity through a 10ms automatic UPS switch. Complementing the powerstation, the EcoFlow 4x 125W Bifacial Modular Solar Panel Kit provides a total of 500W of solar input, delivering up to 25% efficiency, plug-and-play expansion, and IP68 waterproof protection for reliable, weather-resistant performance in both home and outdoor environments.
Powerful, Lightweight Power Station Key Features:
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Great for use with all of your essentials! Smartphones, Lights, Camera Equipment, Tablets, Appliances, Laptops, Drones, Electric Coolers, Speakers, Energy Star Fridges and much more! |
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The DELTA 3 Ultra Portable Power Station delivers 3600W of continuous power and effortlessly powers devices up to 4600W with X-Boost.
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Features Quiet Operation as low as 25dB, it is whisper quiet even at 600W.
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Extremely user friendly! Plug-and-play design for hassle-free setup.
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Charges extremely quickly from 0 to 80% in just 89 minutes!
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Supports 4 versatile charging methods, including wall and generator charging, with extended runtime possible when paired with the EcoFlow Smart Generator.
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With the OASIS 3.0 smart app, users can monitor usage, automate tasks, activate Storm Guard Mode, and optimize energy savings.
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Powerful, Stable, Built to Handle It All:
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EcoFlow DELTA 3 Ultra delivers a 3600W rated output. 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 33 microseconds with high precision using a DSP chip, ensuring a pure sine wave output with beyond grid level stability ideal for powering sensitive electronics reliably.
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Go Hybrid and Extend Backup with a Smart Generator:
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Pair the DELTA 3 Ultra with an EcoFlow Smart Generator to achieve longer runtime, automatically switching between fuel and battery to keep you powered during multi-day outages or off-grid adventures.
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With the ability to recharge from fuel generators such as gas and propane units @ an 1800W input, recharge to 80% in just 1.48 hours. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up the Delta 3 Ultra for storms, outages, and off-grid living.
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4 Ways to Charge:
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Recharge via wall outlet at an 1800W input, 0-80% in 1.48 hrs. 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.
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With the 1800W input, recharge to 80% in just 1.48 hrs via the Dual Fuel 4000 or alternate pure sine wave gas or propane generators.
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Features an 800W Solar input, 0-80% in 3.37 hrs. Pair it with EcoFlow Solar Panels (25% high-efficiency) for reliable power during camping trips, van life, or off-grid living.
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With the EcoFlow Alternator Charger, get ready fast while on the move.
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Automotive Grade Full Tab LFP Cells:
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Built with a rugged exterior and intelligent BMS for unmatched reliability.
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Built to Last:
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From battery chemistry to structural design, DELTA 3 Ultra is engineered for extreme durability, environmental resilience, and whisper-quiet performance.
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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.
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Built with a cell-to-chassis (CTC) structure, DELTA 3 Ultra is drop-resistant (0.2m) and shockproof - protecting against overnight condensation and off-road bumps during transport. You get stable power even in the most demanding conditions.
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The DELTA 3 Ultra keeps your power flowing through freezing cold, scorching heat, humid environments (95% humidity tolerance), or coastal air - for reliable energy anytime, anywhere.
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Certified to Class B EMC standards, it won’t interfere with TVs, Wi-Fi, or other home electronics.
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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.
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Deeper Insights, Easier Control:
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Monitor your energy usage and solar generation all from one intuitive dashboard. Set timed charging and discharging schedules so you can charge during off peak hours and discharge during peak rate periods to save costs.
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Intelligent Solar Power:
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The EcoFlow 125W bifacial modular solar panel offers 25% efficiency, plug-and-play expansion, and reliable performance in various weather conditions, making it ideal for long-term home and outdoor use. (4x included in this kit) |
Perfectly Tailored for Home Use:
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Long-Lasting Solar Solution for Your Home
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With a 30-year lifespan, this durable, low-maintenance solar panel is ideal for home use.
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Fully charge EcoFlow DELTA 3 (1kWh) in as fast as 2-3 hours with 1 set of 500W (125W × 4) panels.
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Maximize Energy Generation:
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Revolutionary N-Type TOPCon Solar Cells & Dual-Sided Design.
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With N-Type TOPCon technology, achieve up to 25% conversion efficiency. The dual-sided design generates Max. 138W (2) bifacial output, capturing more solar energy.
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Durable, All-Weather Design:
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Coated with Protective Lamination & Tempered Glass.
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Built with robust anti-corrosive aluminum frame, TOPCon cells feature 1.1mm ultra-thin tempered glass for excellent light transmission, POE films for UV and moisture resistance, PET backsheets for durability. The panel is IP68-rated with waterproof XT60-W connector, ensuring robust, weather-resistant performance.
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Flexible, Lightweight Design for Adjustable Power Needs:
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The 500W setup weighs only 37 lbs (16.8 kg). The modular design enables flexible power configuration. For situations requiring less than 500W or a lighter setup, the system can be split into individual panels, offering both flexibility and reduced weight. Featuring 3M Dual Lock Reclosable Fasteners (3), ensures quick and steady assembly, and the protective bag makes transport and storage effortless.
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Universally Compatible Solar Cable:
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Plug and Play with Your Power System.
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Easily connect to third-party solar systems using the included photovoltaic connector (MC4 compatible) (4). Safely charge your power systems and portable power stations with XT60 connectors, featuring waterproof, touch-safe, anti-leak technology for reliable performance.
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EcoFlow 125W Bifacial Modular Solar Panel Charging Times:

Specifications
| General Information |
| Manufacturer Name: |
EcoFlow |
| Dimensions: |
24.64" x 12.90" x 15.55" in |
| Weight: |
72.1 lbs |
| Operating usage temp: |
Charge: 32-113 F (0-45 C) Discharge: 14F-113F (-10 to 45 C) |
| Connection: |
Wi-Fi, Bluetooth |
| Warranty: |
36 Month Warranty - Additional 24 Month Warranty Available Upon Product Registration (Total of 5 years) |
Battery |
| Cell Type: |
LFP |
| Capacity: |
3072 Wh |
| Shelf-life: |
1 Year (after fully charging) |
| Cycle Life: |
4,000 cycles to 80% capacity |
AC Charging Input |
| AC Input (Charge Only): |
100-120V - 15A 50/60Hz |
| Maximum PV Input Power(W): |
800W |
| Optimal operating temperature: |
20 C to 30 C (68 F to 86 F) |
Outputs |
| AC Output: |
120V~60Hz 3600W total (surge 7200W), 20A(x4) Max per port, 30A(x1) Max per port |
| X-Boost Max Output: |
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 |
| Cigarette Lighter Output Port: |
12.6V, 10A, 126W Max |
| EMC: |
Class B |
| UPS: |
10ms |
125W Bifacial Modular Solar Panel |
| Manufacturer Name: |
EcoFlow |
| Chainable: |
Yes |
| Dimensions: |
24.1" x 45.4" x 0.87" in (612 x 1154 x 22 mm) |
| Weight: |
Approx. 4.2 kg (9.26 lbs) |
| Rated Power: |
STC 125W (3W Variance) BNPI 138W (3W Variance) |
| Efficiency: |
25% |
| Connector: |
XT60 |
| Open Circuit Voltage: |
50V |
| Optimal Operating Voltage: |
43V |
| Cell Type: |
TOPCon monocrystalline silicon |
| Warranty: |
5 Year Manufacturer Warranty |
| Short Circuit Current: |
STC 3.2A BNPI 3.4A |
| Recommended Ambient Temperature: |
-40C to 85C (-24F to 185F) |
| Bifaciality Coefficients: |
80% (5% variance) |
| Maximum System Voltage: |
600V DC (IEC/UL) |
| Waterproof & Dustproof Rating: |
Solar Panel IP68 XT-60 Connector IP68 |
| Lifespan: |
30 years, 90% |
What's Included
What's Included:
• (1) EcoFlow Delta 3 Ultra Portable Power Station
• (1) AC Charging Cable
• (4) 125W Bifacial Modular Solar Panel
• (1) XT60W to XT60i Extension Charging Cable
• (1) XT60W to Solar Connector Extension Cable (MC4 Compatible)
• (1) Solar Extension Cable - 2M
• (1) Solar Connector to XT60i Extension Cable (MC4 Compatible)
• (2) Protective Bag
• (1) Quick Start, Safety and Warranty Guide
• (1) User Manual
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