EcoFlow RIVER 3 Plus Extra Battery is $179.99

Costco NEXT has the EcoFlow RIVER 3 Plus Smart Extra Battery EB600 on sale for $179.99. This deal offers a significant upgrade, tripling the capacity from 286Wh to 858Wh, with an additional 140W USB-C input/output, and wireless Pogo Pin connection—no cables required. The original price was $250, so you're saving $70. This deal is especially good for customers who already own the RIVER 3 Plus and want to expand its capabilities. You need to be a Costco member, log into your account, and click through to the EcoFlow Costco Next portal to purchase. The deal offers notable capacity increase and added features at a lower price, making it a worthwhile upgrade for power users.