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frontpageDavid_David posted Aug 01, 2025 11:31 AM
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frontpageDavid_David posted Aug 01, 2025 11:31 AM

Costco Members: Ecoflow Delta Pro Ultra 18 KWH Whole-Home Power Solution

& More + Free Shipping

$7,700

$9,000

14% off
Costco Wholesale
84 Comments 34,640 Views
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Deal Details
Costco Wholesale has for their Members: Ecoflow Delta Pro Ultra 18 KWH Whole-Home Power Solution on sale for $7,699.99. Shipping is free.

Thanks to Community Member David_David for sharing this deal.
  • Note: Batteries ship separately.
Available:
  • Ecoflow Delta Pro Ultra 18 KWH Whole-Home Power Solution $7699.99
  • Ecoflow Delta Pro Ultra 18 KWH Whole-Home Power Solution + Solar Panel $8699.99
Features:
  • Scalable 18 kWh Solution Provides Up to a Week of Essential Power Supply
  • Exceptional 7200w Output Powers Most Household Appliances at 120v or 240v
  • Super-fast Charge Up to 8800w by Combining Solar and AC
  • Online Ups Ensures 0-ms Transfer Time, Offering Constant Protection for Sensitive Devices
  • Long-lasting 10-year LFP Battery for Reliable Performance

Editor's Notes

Written by ValPal2011 | Staff
  • $1,300 manufacturer's savings is valid 8/1/25 through 8/31/25. While supplies last. Limit 2 per member.
  • This price is $300 lower than the previous FP Deal.
  • Please see original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • Get 1%-5% cash back on deals like this with a cash back credit card. Compare the available cash back credit cards here.
  • Rated 4.3 out of 5 stars from customer reviews.

Original Post

Written by David_David
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Costco Wholesale has for their Members: Ecoflow Delta Pro Ultra 18 KWH Whole-Home Power Solution on sale for $7,699.99. Shipping is free.

Thanks to Community Member David_David for sharing this deal.
  • Note: Batteries ship separately.
Available:
  • Ecoflow Delta Pro Ultra 18 KWH Whole-Home Power Solution $7699.99
  • Ecoflow Delta Pro Ultra 18 KWH Whole-Home Power Solution + Solar Panel $8699.99
Features:
  • Scalable 18 kWh Solution Provides Up to a Week of Essential Power Supply
  • Exceptional 7200w Output Powers Most Household Appliances at 120v or 240v
  • Super-fast Charge Up to 8800w by Combining Solar and AC
  • Online Ups Ensures 0-ms Transfer Time, Offering Constant Protection for Sensitive Devices
  • Long-lasting 10-year LFP Battery for Reliable Performance

Editor's Notes

Written by ValPal2011 | Staff
  • $1,300 manufacturer's savings is valid 8/1/25 through 8/31/25. While supplies last. Limit 2 per member.
  • This price is $300 lower than the previous FP Deal.
  • Please see original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • Get 1%-5% cash back on deals like this with a cash back credit card. Compare the available cash back credit cards here.
  • Rated 4.3 out of 5 stars from customer reviews.

Original Post

Written by David_David

Community Voting

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Top Comments

asahi7777777
124 Posts
68 Reputation
The last 2 Black Fridays, it was $8K, including the SHP2. Just be aware, FedEx is used for shipping and they're not kind to these boxes. Be sure to keep all packaging material!! Ecoflow support is super slow, so if you have anything defective, it would be easier/faster to exchange with Costco (they offered free pickup for me). I didn't have some of the boxes, so I had to have Ecoflow do the replacements, which took 5 MONTHS.
MyrMcCheese
706 Posts
448 Reputation
Nothing prevents that from occurring - it's expected. This battery chemistry tends to get down to 80% after several years, but frequently maintains the 80% level for quite some time following that.
spydrmon
45 Posts
10 Reputation
so if I use 1k watt an hour constant for my basic items, this $7600 will not even last a day on a rainy stormy or cloudy day. I don't see the draw really for that kind of money.

84 Comments

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Aug 01, 2025 01:17 PM
141 Posts
Joined Feb 2012
rcheung07Aug 01, 2025 01:17 PM
141 Posts
Totally new to battery backups but question for those who know. What prevents these backup batteries from degrading overtime when not used? As we know by now all battery cells degrade overtime. For those who own or have experience I would love to know.
Aug 01, 2025 01:24 PM
45 Posts
Joined Apr 2015
spydrmonAug 01, 2025 01:24 PM
45 Posts

Our community has rated this post as helpful. If you agree, why not thank spydrmon

so if I use 1k watt an hour constant for my basic items, this $7600 will not even last a day on a rainy stormy or cloudy day. I don't see the draw really for that kind of money.
2
1
1
Aug 01, 2025 01:38 PM
706 Posts
Joined Oct 2012
MyrMcCheeseAug 01, 2025 01:38 PM
706 Posts

Our community has rated this post as helpful. If you agree, why not thank MyrMcCheese

Quote from rcheung07 :
Totally new to battery backups but question for those who know. What prevents these backup batteries from degrading overtime when not used? As we know by now all battery cells degrade overtime. For those who own or have experience I would love to know.
Nothing prevents that from occurring - it's expected. This battery chemistry tends to get down to 80% after several years, but frequently maintains the 80% level for quite some time following that.
3
1
Aug 01, 2025 01:51 PM
1,150 Posts
Joined Oct 2015
BobertbosunAug 01, 2025 01:51 PM
1,150 Posts
Quote from spydrmon :
so if I use 1k watt an hour constant for my basic items, this $7600 will not even last a day on a rainy stormy or cloudy day. I don't see the draw really for that kind of money.
I agree. The battery tech/value just isn't quite there yet. This is still a good deal at the moment, particularly since it's from Costco. I ideally want two of these units to run in parallel, but $15k is just not happening.
Aug 01, 2025 02:05 PM
53 Posts
Joined Dec 2007
etheragAug 01, 2025 02:05 PM
53 Posts
Quote from Bobertbosun :
I agree. The battery tech/value just isn't quite there yet. This is still a good deal at the moment, particularly since it's from Costco. I ideally want two of these units to run in parallel, but $15k is just not happening.
The value prop for these is if you've got rooftop solar. Then you can theoretically go much longer during an outage by topping it up on solar as it gets used.
Aug 01, 2025 02:15 PM
79 Posts
Joined Jul 2022
HonestClub8947Aug 01, 2025 02:15 PM
79 Posts

Our community has rated this post as helpful. If you agree, why not thank HonestClub8947

Quote from Bobertbosun :
I agree. The battery tech/value just isn't quite there yet. This is still a good deal at the moment, particularly since it's from Costco. I ideally want two of these units to run in parallel, but $15k is just not happening.
This is a great solution for countries like Cuba ,they cut off the electricity 6 to 9 hours daily and with solar panels will be a great solution!
1
1
1
Aug 01, 2025 03:26 PM
128 Posts
Joined Apr 2011
nfilipacAug 01, 2025 03:26 PM
128 Posts
Only worth it with heavy incentives, such as Comed $300/kWh battery storage when combined with solar and hourly pricing

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Aug 01, 2025 03:27 PM
805 Posts
Joined Oct 2010
KHHATLAug 01, 2025 03:27 PM
805 Posts
I dug deep to see if I could utilize this system to beat the Georgia power peak rate by using battery during peak hours and recharge during super off peak but my calculation (not accounting for battery degradation) indicated it would take 10 years before I break even. I didn't not count for solar panels as that is not feasible for me.
1
Aug 01, 2025 03:31 PM
39 Posts
Joined Apr 2014
andrewb6112Aug 01, 2025 03:31 PM
39 Posts
Good price, 4% less than the previous Front Page deal for this with the 18 kWh capacity. Include the smart panel at this price and I'm in.
1
Aug 01, 2025 03:58 PM
2,385 Posts
Joined Sep 2008
dealsalwaysAug 01, 2025 03:58 PM
2,385 Posts
Basic question..

Is there something happening with tariffs/taxes that significantly changes prices for home purchase? Recall reading Aug 1 is change time etc..
Aug 01, 2025 04:36 PM
124 Posts
Joined Mar 2006
asahi7777777Aug 01, 2025 04:36 PM
124 Posts

Our community has rated this post as helpful. If you agree, why not thank asahi7777777

The last 2 Black Fridays, it was $8K, including the SHP2. Just be aware, FedEx is used for shipping and they're not kind to these boxes. Be sure to keep all packaging material!! Ecoflow support is super slow, so if you have anything defective, it would be easier/faster to exchange with Costco (they offered free pickup for me). I didn't have some of the boxes, so I had to have Ecoflow do the replacements, which took 5 MONTHS.
4
1
Aug 01, 2025 04:47 PM
11 Posts
Joined Mar 2025
TenseNest3944Aug 01, 2025 04:47 PM
11 Posts
Quote from asahi7777777 :
The last 2 Black Fridays, it was $8K, including the SHP2. Just be aware, FedEx is used for shipping and they're not kind to these boxes. Be sure to keep all packaging material!! Ecoflow support is super slow, so if you have anything defective, it would be easier/faster to exchange with Costco (they offered free pickup for me). I didn't have some of the boxes, so I had to have Ecoflow do the replacements, which took 5 MONTHS.
No, previous Costco sale price Black Friday and a few other times can easily be looked up on 18kWH delta pro ultra was $1000 off the regular $8999/9999 with the smart home panel 2. Has never been 8k with the SHP2.
Aug 01, 2025 05:12 PM
557 Posts
Joined Nov 2009
Old_Snake308Aug 01, 2025 05:12 PM
557 Posts
Quote from rcheung07 :
Totally new to battery backups but question for those who know. What prevents these backup batteries from degrading overtime when not used? As we know by now all battery cells degrade overtime. For those who own or have experience I would love to know.
This isn't a buy and put it away for an emergency kinda purchase. It's a get it, get solar, and offset your power bill, get ROI kinda power station.
2
Aug 01, 2025 05:27 PM
3,168 Posts
Joined Jan 2004
warlock110Aug 01, 2025 05:27 PM
3,168 Posts
how do you find installer for the smart panel 2? and how much would the installation costs?

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Aug 01, 2025 05:43 PM
52 Posts
Joined Jan 2015
sg14allAug 01, 2025 05:43 PM
52 Posts
Quote from warlock110 :
how do you find installer for the smart panel 2? and how much would the installation costs?
I had mine installed by an electrician, paid $1100 if you use ecoflow recommended installer it costs around $2100 min

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