EcoFlow DELTA 3 CLASSIC 1024Wh Portable Power Station with 45-Minute Fast Charging
The EcoFlow DELTA 3 CLASSIC Portable Power Station delivers 1024Wh capacity with professional-grade reliability for home backup power, RV adventures, and off-grid applications. This portable generator combines LiFePO4 battery technology with X-Stream charging to restore 0–80% charge in just 45 minutes.

Key Features and Specifications
Power Capacity and Output
- 1024Wh Battery Capacity: High-density LiFePO4 battery with 4000 cycles to 80% capacity retention
- 1800W Continuous Output: 3600W surge capacity with X-Boost technology up to 2200W for demanding appliances
- 13 Total Outputs: 6 AC outlets, dual USB-C (140W max), 2 USB-A, car output, and 2 DC5521 ports
- X-Stream Fast Charging: 1500W AC input achieves 0–80% charge in approximately 45 minutes
- 500W Solar Input: Compatible with EcoFlow solar panels (11–60V) for sustainable off-grid charging
Build and Design
- IP65-Rated Weather Resistance: Rugged battery pack built for outdoor conditions
- Compact Dimensions: 398 × 202 × 284 mm (15.7 × 8.0 × 11.2 inches)
- Portable Weight: 12.5 kg (27.6 lbs) with integrated handle
- Model Number: EFDELTA3C-US-L

Applications
Home Backup Power
Provides emergency power during outages without fuel storage, maintenance, or noise. The 1024Wh capacity runs energy-efficient refrigerators (100–200W) for approximately 5–10 hours, supporting multiple devices simultaneously.
RV and Off-Grid Use
Silent operation and LiFePO4 chemistry ensure reliable performance across temperature extremes. Fast-charging capability minimizes downtime between trips, while solar input enables extended boondocking.
Professional Field Work
Handles power tools with surge capacity, rapid recharge between jobs, and app-based monitoring for efficient power management on work sites.

Technical Advantages
The DELTA 3 CLASSIC uses lithium iron phosphate (LiFePO4) chemistry for maximum safety and longevity compared to standard lithium batteries. X-Stream technology delivers faster recharge times than competing power stations, while comprehensive port selection enables simultaneous device charging. The system supports external EcoFlow expansion batteries for increased capacity.
What's Included
Each unit undergoes extensive quality testing for battery safety, surge protection, and long-term reliability. Comprehensive warranty coverage and EcoFlow's customer support team provide setup assistance and operation guidance. Smartphone app integration enables intuitive power monitoring and output management.