More Capacity, More Flexibility — Expand Your RIVER 3 Plus in Seconds

The EcoFlow RIVER 3 Plus Smart Extra Battery adds expandable LFP energy storage to your RIVER 3 Plus Portable Power Station with a wireless Pogo Pin connection — no cables, no screws, no setup required. Choose the EB300 (286Wh) to push total capacity to 572Wh, or the EB600 (572Wh) to reach 858Wh of combined power. The extra battery also adds an independent 140W USB-C input/output port, giving you a standalone charging option when you want to travel light without the full station.

• Wireless Pogo Pin connection — attaches instantly with clips, no cables or screws required
• Two capacity options — EB300 (286Wh) or EB600 (572Wh) to suit your power needs and carry preference
• Expands RIVER 3 Plus to up to 858Wh — stack one extra battery at a time for maximum capacity
• Independent 140W USB-C port — use the extra battery on its own to charge devices without the main station
• LFP battery chemistry, 3,000-cycle lifespan — same durable chemistry as the RIVER 3 Plus, with a 5-year warranty
• EB300 weighs just 7.7 lbs — lighter than the RIVER 3 Plus for easy standalone carry on shorter trips