EcoFlow River 3 Max Plus Portable Power Station (074639)

The EcoFlow River 3 Max Plus is a portable power station that combines the EcoFlow RIVER 3 Plus unit with an additional battery, delivering a total capacity of 858 Wh. With an output of up to 600 W (or up to 1200 W in X-Boost mode), it can easily power a wide range of devices. The use of advanced GaN (gallium nitride) semiconductors provides excellent energy efficiency and reduced heat loss. Its lightweight and durable design makes it perfect for travel, and it features a UPS function that switches to backup power in less than 10 ms.

Reliable Power for Essential Devices

• Provides up to 600 W of output power (1200 W with X-Boost), suitable for most everyday devices such as smartphones, laptops, lamps, and portable refrigerators.

Advanced GaN Technology

• Utilizes innovative GaN semiconductors for higher efficiency and better thermal management compared to traditional silicon components.

• Maintains a compact size and quiet operation (about 30 dB, similar to a whisper or ticking clock), making it ideal for use at night.

Multiple Output Ports

• Three AC outlets (230 V, 600 W, or 1200 W with X-Boost)

• Two USB-A ports (total 24 W)

• One USB-C port (100 W)

• One USB-C port (140 W)

• One car outlet (12.6 V, 126 W)

• Easily charge and power multiple devices at the same time.

Emergency UPS Backup

• Features a UPS function that switches to backup power in under 10 ms, ensuring uninterrupted operation for critical devices like fridges or computers.

• Can notify a NAS server or PC when the battery is low, allowing for safe data saving and shutdown-ideal for home offices.

Flexible Charging Options

• Charge via AC outlet in about 2.3 hours.

• Compatible with power generators (also about 2.3 hours).

• Supports solar panels up to 220 W, as well as car charging and USB-C charging.

• Multiple charging options make it easy to prepare for use in any situation.

Long-Lasting and Durable

• Equipped with a LiFePO4 battery for up to 3000 charge cycles (to 80% capacity), offering up to 10 years of use.

• X-Guard technology provides protection against overcharging, short circuits, surges, and other hazards.

• Battery is IP54 rated for water and dust resistance, and the station is drop-resistant up to 1.5 meters.

Convenient Operation

• Compatible with the EcoFlow app for remote monitoring and control via Wi-Fi and Bluetooth.

• Built-in color display provides easy access to key information such as charge level, output power, and remaining runtime.

• Receive notifications about power outages and device status.

Large Capacity, Portable Design

• 858 Wh capacity powers essential devices for extended periods.

• Weighs only about 10.3 kg and measures 234 x 224 x 304 mm, making it easy to carry for camping, RV trips, or outdoor use.

Included in the Box

• RIVER 3 Max Plus Power Station

• AC charging cable

• Car charging cable

• USB-B to USB-A UPS cable

• Quick start guide

Technical Specifications

General

• Manufacturer: EcoFlow

• Model: RIVER 3 Max Plus

• Capacity: 858 Wh / 268,800 mAh

• Dimensions: 234 x 224 x 304 mm

• Weight: 10.3 kg

Battery

• Type: LFP (LiFePO4)

• Lifespan: Approx. 3000 cycles (to 80% capacity)

Outputs

• AC: 3 x 230 V ~50 Hz, 600 W max (up to 1200 W with X-Boost)

• USB-A: 2 x 5 V = 2.4 A, 12 W per port, 24 W total

• USB-C: 1 x 100 W (5/9/12/15 V = 3 A max, 20 V = 5 A max), 1 x 140 W (5/9/12/15 V = 3 A max, 20/28 V = 5 A max)

• Car output: 1 x 12.6 V, 10 A, 126 W max

Inputs

• AC charging: 200-240 V, 3 A max, 50/60 Hz, 650 W, 0-100% in about 2.3 hours

• Solar charging: 11-55 V, 13 A, 220 W max, 0-100% in about 4.8 hours (varies with panel wattage)

• Car charging: 11-55 V, 8 A max, 220 W max, 0-100% in about 9.6 hours

• Generator charging: 200-240 V, 3 A max, 50/60 Hz, 650 W, 0-100% in about 2.3 hours

• USB-C charging: 5/9/12/15 V = 3 A max, 20/28 V = 5 A max, 140 W max, 0-100% in about 10.5 hours

Other

• UPS: < 10 ms

• Extra battery: B600 (572 Wh)

• App: EcoFlow, via Wi-Fi and Bluetooth

• Noise level: About 30 dB

• Battery IP rating: IP54 (battery only, the station itself is not waterproof)

Operating Conditions

• Optimal operating temperature: 20°C to 30°C

• Charging temperature: 0°C to 45°C

• Discharge temperature: -10°C to 45°C

• Storage temperature: 20°C to 30°C

• Operating altitude: ≤ 2000 m

The EcoFlow River 3 Max Plus delivers powerful, flexible, and portable energy for a wide range of uses, making it ideal for home backup, travel, and outdoor adventures.