Electronics · R3P
RIVER 3 Max (RIVER 3 Plus + Extra Battery 300)
EcoFlow US · sold by EcoFlow · $319.00 · out of stock
- <10 ms pro-grade UPS for precision devices - 600W rated output and 1200W X-Boost - Up to 2× runtime for light-wattage appliances - Expandable up to 858Wh with a wire-free connection - Compact and lightweight - 1-hr fast charging, no battery damage - Up to 220W fast solar charging - <30 dB whisper quiet for 24/7 use
| Option | Price | Stock | |
|---|---|---|---|
| RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) | $319.00 | out of stock |
Prices and stock from us.ecoflow.com’s public catalog, last checked 2026-11-01 22:31 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) and places the order through Kaupia with a delivery guarantee; “Buy at the store” goes to the store’s own checkout. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:12d9408e-6839-4b21-8b34-0807db0aa4f9; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.