DOUBLE CAPACITY The Extra Battery integrates with EcoFlow RIVER Plus to double its capacity to 720Wh without doubling its weight. Attach and detach it for whatever the situation calls for.
RIVER Plus + Extra Battery = RIVER Max Plus This combination is a cost-effective way to extend your off-grid energy use. The battery management system in RIVER Plus automatically incorporates the Extra Battery, providing peak performance instantly.
Stack on the power
Double RIVER Plus’ capacity by adding an extra battery underneath. Take it off when you’re traveling light.
For the right feel
Long lasting life spanTeam colors, a night light, a nice glow? This extra battery’s ambient light adds a splash of color with the EcoFlow App.
What's in the box
EcoFlow RIVER Plus Extra Battery X 1; Long Screws X 4; Cross Screw Driver X 1; User Manual X 1
Frequently Asked Questions
5.5 lb (2.5 kg)
11.2 × 7 × 2.3 in (28.5 × 18 × 5.9 cm)
32°F to 113°F ±5°F (0°C to 45°C ±3°C)
−4°F to 113°F ±5°F (−20 to 45°C ±3°C)
1 year (after fully charging the device)
800 cycles to 80% capacity
Testing and certification
UL Standards, CE, FCC, RoHS, RCM