The ECOFLOW Delta 2 portable power station remains a compelling choice in 2025, offering impressive performance at a significantly reduced price. This review examines its capabilities, highlighting its 1800W AC output, substantial 1260Wh battery (expandable to 3000Wh), and diverse charging options including AC, solar, and car charging. We delve into its versatile port selection, encompassing AC outlets, USB-A and USB-C ports with Power Delivery, and DC connectors, ensuring compatibility with a wide range of devices. The intuitive LCD screen and accompanying app provide comprehensive monitoring and control.This in-depth analysis explores the Delta 2's real-world performance, including pass-through charging capabilities and high-wattage USB-C output. We assess its value proposition against newer models like the Delta 3, considering its powerful features alongside its now significantly more affordable price point. Discover whether the Delta 2 remains a relevant and worthwhile investment for your power needs in 2025.
Pros And Cons
- 1800W shared power output across six AC outlets
- 1260Wh battery capacity (approx. 1000Wh for easy calculation)
- Expandable capacity with external batteries (up to 3000Wh)
- Multiple output options: USB-A, USB-C, cigarette lighter port, DC barrel connectors
- Pass-through AC charging: can charge and simultaneously power AC devices
- App control for charging speed and monitoring
- Multiple charging options: AC (up to 1200W), solar (up to 500W), car (up to 100W)
- Lithium iron phosphate (LFP) batteries for long lifespan (approx. 10 years)
- Pass-through charging not available for DC ports
Read more: OUKITEL P2001 PLUS Review: Best Budget Portable Power Station?
Power Output and Capacity
The ECOFLOW Delta 2 boasts a substantial 1800W AC output, shared across six outlets. This makes it ideal for powering multiple devices simultaneously, from refrigerators to laptops, during power outages or off-grid adventures.
Its 1260Wh battery capacity (approximately 1000Wh for easier calculations) determines its runtime. A 1000W device will run for about an hour, while a 100W device could run for ten hours. The actual runtime will vary depending on the device's power consumption.
Expandability is a key feature. The Delta 2 supports external battery packs, increasing its capacity up to 3000Wh, significantly extending its operational time. This flexibility makes it adaptable to various power needs.
Additional Ports and Features
Beyond AC power, the Delta 2 offers various ports for versatility. A 12V/10A car accessory port (cigarette lighter) is perfect for powering smaller devices, while two 12.6V/3A barrel connectors provide additional DC power for devices like routers or modems.
On the front panel, there are four USB-A ports (12W each) and two USB-C ports with Power Delivery (100W each), capable of powering laptops or tablets. The combined USB output is substantial for charging multiple devices.
The intuitive LCD screen displays battery percentage, power input/output, and estimated runtime, making it easy to monitor performance and plan accordingly. The integrated EcoFlow app offers advanced charging controls and monitoring features.
Charging Capabilities
Charging options are diverse and efficient. A 1200W AC input allows for fast charging (approximately 1 hour for a full charge), with adjustable charging speeds via the app for battery health optimization.
A dedicated XT60 input supports both solar panel charging (up to 500W) and car charging (around 100W), providing flexibility for different charging scenarios. The app enables monitoring and adjustment of charging parameters.
The app allows for optimized or quiet charging modes. Optimized mode prioritizes battery lifespan by adjusting charging speeds. Quiet mode minimizes fan noise at the cost of charging time.
Performance Tests and Pass-Through Charging
Pass-through charging was tested with a space heater, drawing power from the wall while simultaneously powering the heater and charging the internal batteries. This allows the unit to power devices even while connected to AC.
The USB-C ports were tested with a high-wattage device showing the ability to deliver 200W of combined power. This output is directly from the battery and not passthrough.
Solar charging was mentioned but not demonstrated due to weather conditions. However, with a maximum 500W solar input, it offers significant potential for off-grid applications.
Conclusion: Is the ECOFLOW Delta 2 Still Worth It?
The ECOFLOW Delta 2 remains a highly capable portable power station even in 2025. Its high power output, substantial capacity (expandable with external batteries), and variety of ports make it versatile.
The significant price drop makes it a compelling option. Considering its features and price, it offers excellent value. The current price point approximately half the initial launch price is a major advantage for budget-conscious consumers.
While the Delta 3 offers newer features, the Delta 2 is a powerful alternative, especially for those seeking a balance between performance and affordability. The choice depends on your specific needs and budget.