EcoFlow RIVER 2 Max (512Wh)
EcoFlow RIVER 2 Max (512Wh)
EcoFlow RIVER 2 Max (512Wh)
EcoFlow RIVER 2 Max (512Wh)
EcoFlow RIVER 2 Max (512Wh)

EcoFlow RIVER 2 Max (512Wh)

  • Features
  • Specification
  • Related Products



Fastest charging speeds ever.

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. Fully charge RIVER 2 Max while you pack your bags, so you’ll always be ready for a last-minute trip.


Safe, for up to 10 years of use.

With upgraded long-lasting LFP battery chemistry at its core, charge and empty RIVER 2 Series over 3000 times. That’s pretty much 10 years of everyday use1 and 6x longer than the industry average. With LFP cells, RIVER 2 Series is safe, durable, and highly efficient, even in warm temperatures.

Smart Battery Protection System

Our state-of-the-art Battery Management System (BMS) constantly monitors the voltage, current, and temperature of RIVER 2 Max with multiple aspects of protection, extending its life to the max.


Charge anywhere

With 4 different ways to top up the RIVER 2 Series, there’s a recharge option no matter what. From fast AC to in-car charging when you’re on the go.


Why not harness renewable energy while you camp or head off on a trip? Plug in a couple of portable solar panels to fully recharge off-grid in as fast as 3 hours.


Small size. Big power.

RIVER 2 Max has an AC output of up to 500W. Need to power a vacuum cleaner or sandwich maker? Crank it up to 1000W with X-Boost mode to run up to 99% of essential appliances.


Lightweight at only 6 kg

With a compact portable design, taking travel-friendly power off-grid has never been this easy. With a light-weight that’s 22% lighter than the previous generation, RIVER 2 Max is ready to power all your outdoorsy escapades, from boondocking to BBQs at the beach.


Ultra-fast home backup switchover.

With a switchover speed of less than 30ms, you won’t even know the power was down. Use RIVER 2 Series as an emergency power supply for overnight outages to keep essentials running from a CPAP machine to your fish tank.


Control at your fingertips.

Use the EcoFlow app to control and monitor RIVER 2 Series, even from afar. View charging levels, customize settings, and adjust charging speeds, all from the convenience of your phone.

Power . Anywhere . Anytime

In The Box

EcoFlow RIVER 2 Max
RIVER 2 Max x 1
AC charging cable x 1
Car charging cable x 1
DC5521 Connection Cable x 1
quick start guide x 1


General Info

Net Weight Approximately 3.5kg
Dimension 245 x 214 x 142 mm


Charge Method   AC Output , USB-C Charging, Car Adaptor, Solar Panel

Battery Info

Capacity 256 Wh
Cell Chemistry LFP (LiFePO4 battery)
Cycle Life 80%+ capacity after 3000 cycles
Connectivity Wi-Fi & Bluetooth

Input Ports

AC Charge Input Voltage 220-240V 50Hz/60Hz, 360W Max
Solar Charge Input 11-30V, 8A, 100W max
USB-C Input 12V/24V, 8A, 100W max
Car Charger 12V/24V, 8A, 100W max

Output Ports

AC Output (x1) 220-240V 50Hz/60Hz, 360W Max
USB-A Output (x2) 11-30V, 8A, 110W Max
USB-C Output (x1) 12V/24V, 8A, 100W Max
DC Output (x1) 12V/24V, 8A, 100W Max


Warranty 3 Years

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