EcoFlow RIVER 3 Plus Extra Battery 300
Description






Enhanced Energy Storage
The EcoFlow RIVER 3 Plus Extra Battery 300Wh expands your power station's capacity by an additional 286Wh, bringing the total to 572Wh. This extension allows for longer device operation during outdoor adventures or emergency situations, ensuring you have the energy required when it matters most.
Versatile Independent Use
Equipped with a built-in 140W USB-C port, the extra battery can function independently from the RIVER 3 Plus. This feature enables you to charge small devices directly from the battery, providing flexibility and convenience during travel or outdoor activities.
Effortless Connectivity
Utilizing Pogo Pin technology, the extra battery connects seamlessly to the RIVER 3 Plus without the need for additional cables or screws. This design ensures a quick and secure attachment, allowing you to expand your power setup with minimal effort.
Robust and Long-Lasting
Constructed with high-quality LiFePO4 battery cells, the extra battery boasts a lifespan of up to 10 years, enduring 3,000 cycles to 80% capacity. This durability ensures reliable performance over time, making it a dependable addition to your power solutions.
Portable and Lightweight
Weighing just 7.7 lbs, the extra battery is designed for portability. Its lightweight and compact form factor make it easy to transport, ensuring you have access to additional power wherever your adventures take you.
Technical Specifications
Dimensions
- 9.2 x 8.8 x 4.3 in
Weight
- 7.7 lbs
Durability
- Operating Temperature: 20°C-30°C (68°F-86°F)
- Charge Temperature: 0°C-45°C (32°F-113°F)
- Discharge Temperature: −10°C to 45°C (14°F-113°F)
- Storage Temperature: −10°C to 45°C (14°F-113°F)
Included
- EcoFlow RIVER 3 Plus Extra Battery 300
Battery
- Capacity: 286Wh
- Cycle Life: 3000 cycles to 80% capacity
- Cell Chemistry: LFP (LiFePO4)
- USB-C Output: 1 port, 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max
- USB-C Input: 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max