EcoFlow RIVER 3 Plus Extra Battery 286Wh | EFEB300 – Expandable Power & Long-Lasting LFP

Boost your portable power with the EcoFlow RIVER 3 Plus Extra Battery (286Wh), available now at Kean’s Claremorris. Designed specifically for the RIVER 3 Plus Power Station, this smart extra battery doubles your capacity from 286Wh to 572Wh, extending runtime for camping, home backup, or off-grid adventures.

With LFP battery chemistry, the RIVER 3 Plus Extra Battery offers 3000 cycles to 80% capacity, giving you 10 years of daily use. Thanks to Pogo Pin technology, installation is simple—just clip it on, no messy cables or screws required.

Key Features

🔋 286Wh Extra Capacity – Expands your RIVER 3 Plus from 286Wh to 572Wh.
⚡ LFP Long-Life Battery – Up to 3000 cycles, lasting 6x longer than standard batteries.
🔌 140W USB-C Port – Enables fast charging/recharging and standalone use.
📦 Clip-On Pogo Pin Technology – Easy, cable-free connection to your RIVER 3 Plus.
🛡️ Safe & Reliable – Built-in battery management ensures stable operation.
⚖️ Portable & Lightweight – Compact design for easy storage and transport.

Technical Specifications

• Brand: EcoFlow

• Model: EFEB300 (RIVER 3 Plus Smart Extra Battery)

• Capacity: 286Wh

• Battery Type: LiFePO4 (LFP), 3000 cycles to >80% capacity

• Input Port: 51.2V, 2000W max

• Output Port: 51.2V, 3200W max

• USB-C Output:

  • 5V/3A, 9V/3A, 12V/3A, 15V/3A Max

  • 20V/5A, 28V/5A Max (140W Max)

• Dimensions: 23.4 × 22.4 × 11.0 cm

• Weight: 3.3 kg

What’s in the Box

• EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh)

• User Manual

Ideal For

✔️ Extending your RIVER 3 Plus runtime for longer trips or home backup
✔️ Off-grid energy users needing more capacity
✔️ Users who want USB-C fast charging (140W) from the extra battery alone

Why Buy from Kean’s Claremorris?

At Kean’s Claremorris, we supply Ireland’s leading EcoFlow portable power solutions. With fast nationwide delivery, expert advice, and long-lasting reliability, we ensure you always stay powered—at home, on the go, or off-grid.

Order the EcoFlow RIVER 3 Plus Extra Battery 286Wh (EFEB300) today from Kean’s Claremorris and enjoy smart, expandable, and long-lasting portable power.