Expand the capacity of the RIVER 3 Plus to up to 858Wh.
Choose from two Extra Battery models to fit your needs: EB300 (286Wh) or EB600 (572Wh).
An additional 140W of USB-C input and output option.
Enjoy a wireless pogo pin connection—no cables or screws required.
Reduce your load by using the Extra Battery independently.
Lightweight at only 3.5 kg
Use the Extra Battery independently to lighten your load
Weighing just 3.5 kg, the EB300 is light and compact with an extra USB-C input and output port, perfect for on-the-go or short outdoor trips.
10-year lifespan with an LFP battery
A one-time investment that lasts for years
The Extra Battery features the same LPF battery technology as RIVER 3 Plus. And, with a 5-year warranty, you'll get peace of mind and long-lasting performance.
Specs - Extra Battery 300
Capacity :286Wh
Dimensions: 234 × 224 × 110 mm
Net Weight: 3.5 kg
Battery Chemistry :LiFePO4, 3000 cycles to 80% capacity
USB-C Output: 1 port, 5V/9V/12V/15V?3A Max, 20V/28V?5A Max, 140W Max
USB-C Input: 5V/9V/12V/15V?3A Max, 20V/28V?5A Max, 140W Max
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