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EcoFlow RIVER 3 Plus Smart Extra Battery EB300 $127.99

$128$16020% off

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forum threadDavid_David posted Oct 04, 2025 12:26 PM

Item 1 of 1

forum threadDavid_David posted Oct 04, 2025 12:26 PM

EcoFlow RIVER 3 Plus Smart Extra Battery EB300 $127.99

$128

$160

20% off

Costco Wholesale

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Deal Details

Costco NEXT has Ecoflow River 3 Plus Plug and Play EB300 Extra Battery $159.99 - 20% now down to $127.99

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.com/produc...tery-eb300

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This collaborative space allows users to contribute additional information, tips, and insights to enhance the original deal post. Feel free to share your knowledge and help fellow shoppers make informed decisions.

About the Poster

David_David Joined in Mar 2025

105 Deal Posts 178 Comments Posts116 Reputation Points123 Votes Submitted

Deal Details

Community Notes

About the Poster

Costco NEXT has Ecoflow River 3 Plus Plug and Play EB300 Extra Battery $159.99 - 20% now down to $127.99

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.com/produc...tery-eb300

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KaotikMind

Oct 06, 2025 08:38 AM

52 Posts

Joined Dec 2019

KaotikMindOct 06, 2025 08:38 AM

52 Posts

Definitely need to reduce my load .. in for one!

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