Features:

• Powerful 1,800W Output -Up to 3,600W surge output with X-Boost™ technology, supporting high-demand devices up to 2,400W.
• Fast Charging -3 charging methods with AC charging from 0–80% in just 45 minutes.
• Lightweight & Portable -Compact design, ideal for outdoor, mobile and professional use.
• 10ms UPS Switching -Provides fast emergency power switching to keep critical equipment running.
• Whisper-Quiet Operation -Ultra-low noise of ≤30 dB at 600W.
• Long-Lasting & Durable -Automotive-grade LFP cells provide up to 10 years of reliable power, with a 24/7 Battery Management System (BMS).
• EV-Grade CTC Structure -Provides enhanced protection against condensation and bumps during off-road transportation.
• OASIS 3.0 Smart App Control -Monitor battery status, electricity prices and savings in real time.
• Storm Guard Mode - Automatically activates backup power before extreme weather.
• Smart Energy Management –Self-Powered Mode and Scheduled Tasks help reduce daily energy costs.
  

Specifications:

• Net Weight: 12.1 kg ± 0.3 kg
• Dimensions (H × W × D): 398 × 200 × 283 mm
• Rated Capacity: 1,024Wh (51.2V, 20Ah)
• Battery Chemistry: LFP (LiFePO4)
• AC Output: 1,800W total
• X-Boost: Up to 2,600W
• AC Outlets: 6
• USB-A Output: 18W max
• USB-C Output: 100W max + 30W max
• AC Input: 1,400W
• Maximum Solar (PV) Input: 500W
• 12V DC/Anderson Port: No
• Expandable Battery: No
• Storm Guard Mode: Yes
• Generator Auto Start/Stop: No
• UPS: 10 ms
• Connectivity: Wi-Fi & Bluetooth
• Optimal Operating Temperature: 20°C–30°C
• Charging Temperature: 0°C–45°C
• Discharging Temperature: –10°C–45°C
• Storage Temperature: –10°C–45°C

3 Ways to Charge—Anytime, Anywhere

AC Charging

Solar Charging

Alternator Charging

Charges from 0–80% in just 45 minutes with AC charging

1800W Output, 3600W Surge

 

Power Essentials Without Compromise

 

EcoFlow DELTA 3 Classic delivers a steady 1800W pure sine wave output with grid-level stability—enough to handle high-demand appliances like microwaves and power tools. [6] With X-Boost™ mode, it supports devices up to 2400W without tripping or slowing down—giving you seamless power for the moments that matter.

Camping

Fishing

Photography

10ms Auto-Switch. Zero Interruptions.

When the power drops, DELTA 3 Classic responds in just 10 milliseconds—fast enough to keep critical devices like NAS systems and servers running smoothly. No data loss. No downtime. Just uninterrupted peace of mind.

Long-Lasting, Durable, Always Ready for Emergencies

Automotive-Grade Full-Tab LFP Cells

 

Rugged exterior and intelligent BMS for unmatched reliability

10-Year Lifespan, Built to Last

 

From battery chemistry to structural design, DELTA 3 Classic (1024Wh) is engineered for extreme durability, environmental resilience, and whisper-quiet performance—delivering power you can count on for over 10 years. [1]

Compact, Portable — Works Anywhere

 

Lightweight and easy to carry, DELTA 3 Classic (1024Wh) fits seamlessly into any setting, from your road trips to the great outdoors.

Deeper Insights, Easier Control

 

Monitor your energy usage and solar generation—all with one intuitive dashboard. Set timed charging/discharging missions so that you can charge during off-peak hours and discharge during peak rate periods to save costs.

Explore EcoFlow 1kWh Power Stations

What's in the Box