EcoFlow RIVER 3 Max Plus Portable Power Station – 600W, 858Wh (RIVER 3 Plus + EB600 Extra Battery)

The EcoFlow RIVER 3 Max Plus is a compact and versatile portable power station designed to provide reliable backup power for homes, offices, travel, camping, and outdoor use. Combining the EcoFlow RIVER 3 Plus with the 572Wh EB600 Smart Extra Battery, the RIVER 3 Max Plus delivers a total battery capacity of 858Wh while maintaining a 600W rated output.

With X-Boost technology, the RIVER 3 Max Plus can handle appliances requiring up to 1200W, making it suitable for powering a wide range of essential electronics and household devices. It can provide backup power for devices such as Wi-Fi routers, laptops, desktop computers, gaming consoles, refrigerators, car fridges, and other compatible appliances.

The RIVER 3 Max Plus uses LiFePO4 battery technology, providing a long service life of up to 3,000 cycles while retaining at least 80% capacity under EcoFlow’s specified testing conditions. Its battery system is designed for dependable everyday use, whether you’re preparing for power outages or need portable electricity away from the grid.

One of its standout features is its expandable 858Wh capacity. The EB600 Smart Extra Battery connects to the RIVER 3 Plus using a convenient wireless Pogo Pin connection, eliminating the need for conventional battery cables or screws. The EB600 can also be used independently and includes a 140W USB-C input/output, adding extra flexibility when charging compatible devices.

For backup power applications, the RIVER 3 Max Plus features a sub-10ms UPS switchover, helping protect sensitive electronics from sudden power interruptions. It also operates at less than 30 dB, making it suitable for use in bedrooms, offices, workspaces, and other environments where quiet operation matters.

Charging is also fast and flexible. The RIVER 3 Plus can recharge from 0–100% in approximately 1 hour using AC power, while solar charging can reach full capacity in as little as 1.5 hours with a compatible 220W solar input. It also supports car and generator charging, giving users multiple ways to replenish the battery during outages, travel, or off-grid activities.

The EcoFlow RIVER 3 Max Plus is therefore an excellent choice for users looking for a portable 858Wh power station with 600W output, long-lasting LiFePO4 battery technology, fast charging, UPS protection, quiet operation, and flexible charging options.