- Go from 720Wh to 1440Wh capacity by attaching an additional battery.
- With a range of ports, charge 9 devices simultaneously.
- Recharge with two 110W EcoFlow Solar Panels in 8-16 hours.
- Lightweight & Compact.
Twice as nice
The Extra Battery doubles the capacity of RIVER Pro from 720Wh to 1440Wh. With the same lightweight and portable design, they make a great pair.
Connecting the RIVER Pro Extra Battery
1. Power off both the RIVER Pro and RIVER Pro Extra Battery.
2. Connect the Expansion Power Cable to RIVER Pro’s Expansion Power Port and tighten the screws. Do the same for the RIVER Pro Extra Battery.
3. Turn on RIVER Pro. An icon will appear on RIVER Pro’s screen if the extra battery is connected.
Frequently Asked Questions
16.8 lbs (7.6kg)
11.4 x 7.1 x 9.3in (28.9 x 18.0 x 23.5cm)
32 to 113°F +/- 5°F (0 to 45°C +/- 3°C)
-4 to 113°F +/- 5°F (-20 to 45°C +/- 3°C)
AC Wall Outlet, 12V Car Adapter, Solar Panel(s)
Capacity (with extra battery)
Full Recharge Time (RIVER Pro)
1.6 Hours (AC) 8 Hours (12V Car Charger) 9-18 Hours (Using 1x 110W Solar Panel) 4-8 Hours (Using 2x 110W Solar Panels, in parallel) 6-12 Hours (Using 1x 160W Solar Panel)
Full Recharge Time (with Extra Battery)
3 Hours (AC) 16 Hours (12V Car Charger) 18-36 Hours (Using 1x 110W Solar Panel) 8-16 Hours (Using 2x 110W Solar Panels, in parallel) 12-24 Hours (Using 1x 160W Solar Panel)
1 year (once fully charged)
800 cycles to 80%+ capacity
BMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection Low Temperature Protection, Low Voltage Protection, Overcurrent Protection
AC Charge Input Power
X-Stream Charge 660W Max
AC Charge Input Voltage
Solar Charge Input
200W 10-25Vdc 12A Max
12Vdc 8A Max
AC Output (x3)
600W (Surge 1200W) total, 230Vac (50Hz/60Hz)
USB-A Output (x2)
5Vdc, 2.4A, 12W Max per port
USB-A Fast Charge (x1)
5V/2.4A,9V/2A,12V/1.5A 18W Max
USB-C Output (x1)
5Vdc, 9Vdc, 12Vdc, 15Vdc, 20Vdc, 5A, 100W Max
Car Power Output (x1)
136W, 13.6Vdc, 10A Max
DC5521 Output (x2)
13.6Vdc, 3A Max per port
Testing and Certifications
UL Standard, CE, FCC, RoHS, RCM