Description
EcoFlow River 2 Max Portable Power Station | ZMR610-B-UK
- 512Wh capacity and 500W output.
- Provide up to 1.5kWh 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.
- <30ms EPS auto-switch for essential devices.
- Smart app control with Bluetooth or Wi-Fi.
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.LiFePO4 Battery Chemistry
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.


5-year Warranty
With one of the most extended warranties in the industry, we go the extra mile to give you peace of mind.
Smart Battery Protection System
Our state-of-the-art Battery Management System (BMS) constantly monitors the voltage, current, and temperature of RIVER 2 Series with multiple aspects of protection, extending its life to the max.2
Charge anywhere.
With 4 different ways to top up the RIVER 2 Series, there’s a recharge option no matter what.3Â From fast AC to in-car charging when you’re on the go.
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AC Charging | Car Charging | Solar Charging | USB-C Charging |
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.

X-Boost Up to 1000W
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 80% 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.

<30ms EPS Auto-switch
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.

What’s in the box

1. RIVER 2 Max 2. AC Charging Cable 3. Car Charging Cable 4. DC5521 Connection Cable 5. Quick Start Guide