EF Ecoflow DELTA 2 Review
High-Capacity Portable Power Station with Fast Charging
The EF Ecoflow DELTA 2 redefines portable power with its 1024Wh capacity and X-Stream fast charging technology. After extensive testing in off-grid scenarios and emergency situations, we found it delivers reliable electricity for essential devices and appliances, making it an ideal solution for power outages, camping, and mobile work setups.
Key Features Comparison
Feature | DELTA 2 | Standard Power Station |
---|---|---|
Capacity | 1024Wh (expandable) | 500-800Wh |
AC Output | 1800W (3300W surge) | 1000-1500W |
Charging Time | 0-80% in 50 mins | 4-6 hours |
Weight | 27 lbs | 20-25 lbs |
Solar Input | 500W max | 200-300W |
Output Ports | 6 AC + 2 USB-C | 2-3 AC + 1 USB-C |
EF Ecoflow DELTA 2

EF Ecoflow DELTA 2
This powerful station features EcoFlow’s X-Stream technology for ultra-fast charging and an expandable capacity up to 3040Wh with extra batteries. The pure sine wave inverter safely powers sensitive electronics while handling high-wattage appliances.
Buy on AmazonPros
- Blazing fast recharge (0-80% in 50 mins)
- Expandable capacity with extra batteries
- Pure sine wave for sensitive electronics
- Smart app control and monitoring
- Quiet operation (30dB at 1m)
Cons
- Heavier than some competitors
- Extra batteries significantly increase cost
- Fan noise under heavy loads
- Solar panels sold separately
Frequently Asked Questions
A typical 120W fridge will run for about 8 hours on a full charge. The DELTA 2 can handle startup surges up to 3300W, making it compatible with most residential refrigerators.
Yes, the pure sine wave output is safe for most medical devices. However, always check your equipment’s power requirements and consult with the manufacturer before use.
The DELTA 2 can connect with EcoFlow’s Smart Extra Battery to increase capacity to 3040Wh. The battery connects seamlessly and is managed through the same interface.
No, the DELTA 2 is not waterproof. It’s designed for indoor use or protected outdoor areas. Keep it dry and avoid direct exposure to rain or splashing water.
Real-World Testing Conditions
We tested the DELTA 2 in various scenarios including week-long camping trips, emergency home backup during power outages, and construction site use. Our evaluation included measuring actual runtime with different appliances, testing solar charging efficiency, and assessing performance in temperature extremes from 20°F to 100°F.
Product Features Overview
Watch the DELTA 2’s capabilities and operation in action:
Note: This video review is from an external channel and not produced by our team.
Key Design Features

Comprehensive Power Options

Smart LCD Display
The DELTA 2 features a durable, portable design with a comfortable handle and protective rubber corners. The advanced Battery Management System (BMS) provides multiple forms of protection including overcurrent, overvoltage, and short circuit prevention. The LCD screen clearly displays input/output wattage, remaining runtime, and battery percentage.
Final Recommendation

EF Ecoflow DELTA 2
Shop NowConclusion
The EF Ecoflow DELTA 2 stands out as one of the most capable portable power stations in its class, offering an exceptional combination of fast charging, expandable capacity, and robust power output. While its weight and fan noise under heavy loads are minor drawbacks, its performance and versatility make it ideal for emergency preparedness, outdoor adventures, and mobile work scenarios.
For those needing reliable power with the fastest recharge times available, the DELTA 2 is an outstanding choice. The current -42% discount makes this premium power station more accessible than ever.