Unleash Limitless Portable Power Anywhere
Experience next-level energy freedom with the EcoFlow RIVER 3 Plus Smart Extra Battery EB300 – EF-RV-E01-1. Designed for explorers, homeowners, and emergency preppers alike, this extra battery adds 286Wh of capacity to your RIVER 3 Plus, expanding it to a total of 572Wh. Whether you’re powering your off-grid adventures, keeping essential devices running during outages, or ensuring uninterrupted productivity on the move, the RIVER 3 Plus Smart Extra Battery delivers unmatched performance and reliability.
Its LiFePO4 battery technology ensures an incredible 3,000-cycle lifespan, giving you up to a decade of dependable power. Compact yet powerful, this extra battery provides the ideal blend of portability, sustainability, and performance for all your energy needs.
Seamless Power Expansion with Smart Wireless Design
Gone are the days of bulky cables and complicated connections. The EcoFlow RIVER 3 Plus Smart Extra Battery uses advanced Pogo Pin technology, allowing you to connect wirelessly in seconds — no tools, no hassle. The secure wireless clipping system ensures a tight, reliable fit while maintaining a sleek, minimalist look. This innovation makes power expansion effortless, ideal for users who value efficiency and convenience.
When paired with the main RIVER 3 Plus, it delivers a smooth, intelligent power management experience. And when used independently, the 140W USB-C port offers high-speed charging for laptops, cameras, and other essential gadgets — making it a standalone power hub for modern digital lifestyles.
Fast, Safe & Sustainable Charging for Every Situation
Whether you’re indoors or in the great outdoors, the EcoFlow RIVER 3 Plus Smart Extra Battery adapts to your environment. With X-Stream technology, recharge from 0–100% in just 1.5 hours via AC power — all while maintaining optimal battery health. Prefer a greener approach? Connect up to 220W of solar input for a full recharge in just 3.2 hours, and enjoy clean, renewable energy wherever you are.
Built for ultimate safety, the battery’s LiFePO4 chemistry offers superior thermal stability and durability, ensuring peace of mind during extended use. Weighing just 3.5 kg with compact dimensions of 23.4 × 22.4 × 11 cm, this extra battery is lightweight, portable, and road-trip ready. Keep it in your car, take it camping, or store it at home — it’s power that goes wherever life takes you.
