EcoFlow RIVER 3 Plus Extra Battery EB300 OUTLET
Meet the EcoFlow EB300, the ultra-portable smart extra battery designed to work seamlessly with your RIVER 3 Plus. Whether you’re upgrading your capacity or need a lightweight backup, EB300 delivers power on demand—without the bulk. 💼 Lightweight & Travel-Friendly
Weighs only 3.5kg — easy to carry, pack, and store
Ideal for hiking, road trips, outdoor photography, and minimalist camping
Small size, big potential 🔌 Independent USB-C Power
Built-in 140W USB-C port (input/output)
Use it on its own to power smartphones, tablets, drones, and more
No power station needed 🔗 Plug-and-Play Expansion
Instantly expands your RIVER 3 Plus capacity by 286Wh
Combine with an EB600 for up to 858Wh total
Tool-free clip-on connection with Pogo Pin technology
No cables. No setup. Just snap it on. 🔋 LFP Battery Technology
Up to 3000 cycles before hitting 80% capacity
Long-lasting, safe, and thermally stable
Works in both high and low temperatures
10-year lifespan, backed by a 5-year EcoFlow warranty 🔋 Expandable Up to 858Wh
Modular Power That Grows With You
⚡ Flexible Battery Options
Level up your RIVER 3 Plus with a modular expansion system.
Choose from two smart extra batteries:
• EB300 – 286Wh
• EB600 – 572Wh
🔗 Stack & Expand with Ease
Simply stack one at a time — no tools, no setup.
Get up to 858Wh total capacity, perfect for longer trips, more devices, or backup needs. RIVER 3 Plus EB300 🔌 Adds a New Way to Charge & Recharge
More Possibilities. More Flexibility.
Looking to power more devices or charge via USB-C?
Add the Extra Battery to your RIVER 3 Plus for:
Expanded capacity
An additional 140W USB-C port
A whole new charging and recharging method
⚡ Dual
The USB-C port lets you:
Charge RIVER 3 Plus directly
Use the Extra Battery independently as a compact power source ✅ Perfect for modern devices, faster charging, and on-the-go versatility. 🔗 Hassle-Free Connection
Plug-and-Play in Seconds — No Tools, No Cables
Say goodbye to bulky wires and complex setups.
The RIVER 3 Plus Extra Battery uses Pogo Pin technology for a clean, wireless connection.
⚙️ Tool-Free Installation
Just align, clip, and snap into place —
no screws, no cables, no technical know-how required.
🧲 Secure & Seamless Fit
The built-in locking clips ensure the battery stays tightly connected,
while the spring-loaded contact pins maintain a stable power flow during movement.
🚀 Ready in Under 10 Seconds
Whether you're upgrading capacity or setting up for the road,
you’ll be up and running instantly — no delays, no frustration. ✅ Smart. Fast. Effortless. Just Plug and Power.