- With an output up to 600 W this EcoFlow River 3 provides reliable and stable power- Its X-Boost technology means it can run up to 1200 W heating devices without breaking a sweat- It can power 90% of home appliances - perfect for outdoor and backup use- Power a Wi-Fi router for 15 hours and office appliances for 18 minutes- It doubles the runtime for appliances under 300 W, so it's super-efficient