EcoFlow RIVER 3 Max Plus – RIVER 3 Plus Portable Power Station with Smart Extra Battery (5015601028 + 5015601063)

The EcoFlow RIVER 3 Max Plus Portable Power Station with Smart Extra Battery is a high-capacity modular energy system designed for home backup, outdoor adventures, and off-grid power needs. Combining the RIVER 3 Plus unit with an advanced smart extra battery, it delivers expanded energy storage, fast charging performance, and reliable output for multiple devices. Built with durable LiFePO4 battery technology and intelligent power management, it provides long-lasting, efficient, and quiet operation for demanding users.

Product Features

Expanded Modular Energy Storage

Combines the RIVER 3 Plus unit and smart extra battery to deliver a total capacity of up to 858Wh, offering extended runtime for essential devices and appliances.

High-Power AC Output with X-Boost

Provides 600W rated pure sine wave output with X-Boost capability up to 1200W, enabling compatibility with high-wattage appliances.

Ultra-Fast Charging Performance

Supports rapid AC charging with a full recharge in approximately one hour, reducing downtime and ensuring continuous availability of power.

Advanced LiFePO4 Battery Technology

Built with lithium iron phosphate cells rated for over 3,000 cycles, delivering long-term durability and stable performance over years of use.

Pro-Grade UPS Protection

Offers an uninterruptible power supply with a switchover time of less than 10–20 milliseconds, protecting sensitive electronics from sudden power loss.

X-GaNPower Efficiency System

Optimizes energy usage and extends runtime for low-wattage devices, improving efficiency compared to conventional portable power stations.

Wireless Modular Connection System

Uses Pogo Pin technology to securely connect the extra battery without cables, ensuring a clean, stable, and user-friendly setup.

Quiet and Reliable Operation

Operates at less than 30 dB, making it suitable for indoor environments, night use, and noise-sensitive applications.

Multiple Charging Options

Supports AC wall charging, solar input up to 220W, and car charging, providing flexible energy replenishment in various environments.

Product Specifications

• Total capacity: 858Wh (modular system)
• Battery chemistry: LiFePO4 (lithium iron phosphate)
• Cycle life: 3,000+ cycles to 80 percent capacity
• Rated AC output: 600W (pure sine wave)
• X-Boost output: Up to 1200W
• UPS switchover: Less than 10–20 milliseconds
• AC outlets: 3 ports
• USB-C output (main unit): 100W max
• USB-C output (extra battery): 140W max (PD 3.1)
• USB-A output: 2 ports, 12W each
• Car power output: 12.6V, 10A, 126W max
• AC input: Up to 360W base / up to 650W system input
• Solar input: Up to 220W (11–55V, 13A max)
• Charging time (AC): Approximately 1 hour
• Charging time (solar): Approximately 1.5 to 4.8 hours depending on conditions
• Charging time (car): Approximately 3.3 hours
• Weight: Approximately 10.8 kg
• Dimensions: 234 x 232 x 286 mm
• Noise level: Less than 30 dB at 0.5 m
• Durability rating: IP54 splash-resistant battery pack, 1 m drop resistance
• Connectivity: Wireless Pogo Pin modular stacking system
• Smart features: App control via EcoFlow app (Wi-Fi and Bluetooth)