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forum threadDavid_David posted Today 12:45 PM
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forum threadDavid_David posted Today 12:45 PM

EcoFlow DELTA Pro Smart Extra Battery - 2 pack $1349.99

$1,350

$2,599

48% off
Costco Wholesale
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WOW Costco NEXT has sitewide 25% OFF NOW and Delta Pro Extra Battery 2 pack on special promo price $1349.99 !

Requires Delta Pro Main Unit. Each Delta Pro Extra Battery = 3.6 kWh.

Extra 3600Wh battery (EACH EB) for DELTA Pro
Expand capacity up to 10.8kWh with 2 extra batteries
Long-lasting LFP battery

Need to be Costco member. Logged into account, and click thru to Ecoflow Costco Next Portal costco.ecoflow.com


https://costco.ecoflow.com/produc...ra-battery
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Deal Details
Community Notes
About the Poster
WOW Costco NEXT has sitewide 25% OFF NOW and Delta Pro Extra Battery 2 pack on special promo price $1349.99 !

Requires Delta Pro Main Unit. Each Delta Pro Extra Battery = 3.6 kWh.

Extra 3600Wh battery (EACH EB) for DELTA Pro
Expand capacity up to 10.8kWh with 2 extra batteries
Long-lasting LFP battery

Need to be Costco member. Logged into account, and click thru to Ecoflow Costco Next Portal costco.ecoflow.com


https://costco.ecoflow.com/produc...ra-battery

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Today 04:22 PM
29 Posts
Joined Nov 2025
EagerPear9546Today 04:22 PM
29 Posts
Great price for the Delta Pro extra batteries.
A handful of other good options here.
  1. Delta 3 Max + 2 110W solar panels - $615
  2. Delta 2 Max Extra Battery x2 - $892
  3. Delta 3 Extra Battery x2 - $465 (not a good option for most since the Delta 2 / Delta 3 lineup have at most 1 battery port)
  4. Delta 3 Classic + 110W solar panel - $330
  5. Delta 2 Max + Extra Battery + 800W Alternator Charger - $1132
Today 05:02 PM
134 Posts
Joined Mar 2016
COMMANDAAAHToday 05:02 PM
134 Posts
I think this is the lowest price I've ever seen for these. $0.19/kWh is cheaper than a lot of raw battery packs, and this comes with the full warranty and should qualify for the (soon-to-expire) tax credit as well. I'm tempted to pull the trigger despite already having two that I bought last year for a single Delta Pro 3 (they're backwards-compatible), just on the off chance I buy another Pro 3. At the time, they were over $2k, so this is a huge discount. They're probably trying to clear them out.

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