• 0.51 kWh
  • 512Wh capacity and 500W output.
  • Provides up to 1.5 kWh a day with solar charging.
  • Fastest Recharge 0-100% in only 60 min.
  • Safest LFP battery provides 10 years of use.
  • First power station with a TÜV Rheinland safety certification.
  • Lightweight at only 6.1kg.
  • X-Boost output to 1000W and run 80% of essential appliances.
  • 4 ways to charge: AC, car, solar, and USB-C.
  • Smart app control with Bluetooth or Wi-Fi.
  • 5 Year Warranty.

Power, it’s never been so easy

River 2 Max beats the industry charging speed standard, fully charging in only 60 minutes. That’s 5x faster than other portable power stations on the market and 38% quicker than previous generations.

LiFePO4 Battery Chemistry

With an upgraded and long lasting LFP battery you can charge and empty the River 2 Series over 3000 times. That’s 10 years of everyday use.

The River 2 Max has a smart battery protection system (BMS) which constantly monitors the voltage, current and temperature.

 

4 ways to charge

With 4 different ways to charge the River 2 Max you’ll always have options.

AC Charging; Car Charging; Solar Charging; USB-C Charging.

Small size, Big power

RIVER 2 Max has an AC output of up to 500W. Crank it up to 1000W with X-Boost mode to run up to 80% of high-wattage appliances.

Specifications

Colour: Black
Material: Aluminium alloy +Plastic
Capacity:  512Wh
INPUTS:
AC Charge Input Power: 660W Max
AC Charge Input Voltage: 220-240Vac (50Hz)
Solar Charge Input: 220W 11-50V DC 13A Max
Car Charge Input: 12/24V DC 8A 100W Max
OUTPUTS:
AC Output (x2): 500W total (Surge 1000W) 220-240V
USB-A Output (x2): 12W per port, 5V DC, 2.4A
USB-C Output (x1): 100W, 5V DC, 9V DC,12V DC, 15V DC, 20V DC 5A
DC5521 Output (x2): 12.6V DC, 3A Max 36W
BATTERY:
Cell Chemistry: Lithium-Ferro-Phosphate (LFP)
Cycle Life: 3000 Cycles (80%+)
Discharge Temp: -10 to 45°C
Charge Temp: 0 to 45°C Optimal Operating Temp: 20°C to 30°C Storage Temp: -10°C to 45°C (20°C to 30°C is best)
GENERAL SPECS:
Product Weight: 6kg
Dimensions: 270 x 260 x 196mm
Gross Weight: 10 kg
Carton Size: 35.8* 25.6*34.2cm
Save: £11

Price Lower Than Manufacturer*

EcoFlow RIVER 2 Max Portable Power Station

Original price was: £449.00.Current price is: £438.00.

Runtime Calculator

Enter your battery capacity and appliance wattage – or chose from one of the preset options – to calculate an approximate runtime.

Total Runtime: 0 hours and 0 minutes*
Wh
W

Warning: If the appliance’s power demand (W) exceeds the battery’s capacity (Wh), the charging or powering process on some power stations will not work as expected. Always ensure that the battery’s capacity is sufficient for the appliance’s power requirements before attempting to charge or power it.

*The figures provided by this calculator are indicative only and should be used as a general guide. Actual performance may vary depending on various factors, including the specific conditions of use and the efficiency of your devices.

What is Undertwok, or Under2k?

Well, we are an independent, and local, Retail shop that doubles as a Social media studio and event space. Our shop offers a unique blend of services with a vision to help everyone ‘Live their life under 2 kWh per day’. Our shop seamlessly blends traditional retail with digital innovation, our space serves as both a hub for our Portable Solar Powered products, available to purchase, and a dynamic social media studio. This space provides a platform for creativity to flourish, allowing visitors to not only shop, but also engage and learn about living their lives under 2 kWh per day.

Pop into the shop where we would love to chat over a solar powered pot of tea or coffee.

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