EcoFlow RIVER 3 Plus Smart Extra Battery EB300 – 286Wh

Double Your Power, Extend Your Adventure

Boost the capacity of your EcoFlow RIVER 3 Plus Portable Power Station with the EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh). Designed for seamless integration, this compact yet powerful extra battery is the ultimate solution for those who need longer-lasting portable energy—whether you’re off-grid, camping, or facing a power outage.

Key Features:

• 286Wh Extra Capacity: Extend your EcoFlow RIVER 3 Plus to a total of 836Wh, giving you more power for longer periods.

• Smart Battery Management System: Real-time battery monitoring for efficient and safe energy usage.

• Compact & Lightweight: Portable design, easy to carry for travel, outdoor use, and emergency backup.

• Easy to Connect: Plug-and-play compatibility with RIVER 3 Plus for instant expansion.

• Eco-Friendly & Quiet: Clean, silent energy—ideal for indoor use and sustainable power needs.

Use Cases:

• Power essential devices like laptops, smartphones, CPAP machines, mini-fridges, and more.

• Extend runtime for camping trips, RVs, or remote job sites.

• A reliable emergency backup during blackouts or natural disasters.

• Expand the capacity of the RIVER 3 Plus to up to 858Wh.
• Choose from two Extra Battery models to fit your needs: EB300 (286Wh)
• An additional 140W of USB-C input and output option.
• Enjoy a wireless pogo pin connection—no cables or screws required.
• Reduce your load by using the Extra Battery independently.