- 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.
Adjust capacity for growing energy needs
Expandable up to 858Wh with 2 Extra Battery options
Level up your RIVER 3 Plus with an Extra Battery. Choose either the EB300 (286Wh) or the EB600 (572Wh), and simply stack one at a time to achieve up to 858Wh of pure energy.
Adds an extra charging and recharging option
More possibilities, more flexibility
Looking to charge more devices or conveniently power your RIVER 3 Plus via USB-C? Adding this extra battery expands its capacity and significantly enhances its versatility with an extra 140W USB-C port, offering the RIVER 3 Plus a new charging and recharging option. With the USB-C port, the Extra Battery gives you the freedom to use it independently.
Lightweight at only 3.5 kg
Use the Extra Battery independently to lighten your load
Weighing just 3.5 kg, the EB300 is lightweight, with a compact design and USB-C input and output port, making the Extra Battery highly convenient for on-the-go use. The Extra Battery offers the perfect solution for short outdoor trips with minimal devices to expand your possibilities.
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
