Expand the capacity of the RIVER 3 Plus to 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
Good pickup for all those who bought the Costco River 3 Plus Wireless deal to add capacity.
Need to be Costco member. Logged into account, and click thru to Ecoflow Costco Next Portal costco.ecoflow.com
https://costco.ecoflow.