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gspfunk 116K Views
Aug 1, 2024 1:34 PM

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

$8,000

$8,999

11% off
+ Free Shippingat Costco Wholesale
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Costco Wholesale has for their Members: Ecoflow Delta Pro Ultra Whole-Home Power Solution (18 KWH Solution) for the prices listed. Shipping is free.

Thanks to Community Member gspfunk for finding this deal.

Available:
  • Ecoflow Delta Pro Ultra Whole-Home Power Solution (18 KWH Solution) $7999.99
  • Ecoflow Delta Pro Ultra Whole-Home Power Solution w/ Panel (18 KWH Solution) $8999.99
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 StrawMan86 | Staff
  • About this deal:
    • This price is $1000 lower (11% savings) than the list price of $8999.99
    • $1,000 manufacturer's savings is valid 8/1/24 through 9/1/24. While supplies last. Limit 5 per member.
    • Get 1%-5% cash back on deals like this with a cash back credit card. Compare the available cash back credit cards here.
  • About this product:
    • Rating of 4.1 from over 20 customer reviews.

Original Post

Written by gspfunk
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Costco Wholesale has for their Members: Ecoflow Delta Pro Ultra Whole-Home Power Solution (18 KWH Solution) for the prices listed. Shipping is free.

Thanks to Community Member gspfunk for finding this deal.

Available:
  • Ecoflow Delta Pro Ultra Whole-Home Power Solution (18 KWH Solution) $7999.99
  • Ecoflow Delta Pro Ultra Whole-Home Power Solution w/ Panel (18 KWH Solution) $8999.99
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 StrawMan86 | Staff
  • About this deal:
    • This price is $1000 lower (11% savings) than the list price of $8999.99
    • $1,000 manufacturer's savings is valid 8/1/24 through 9/1/24. While supplies last. Limit 5 per member.
    • Get 1%-5% cash back on deals like this with a cash back credit card. Compare the available cash back credit cards here.
  • About this product:
    • Rating of 4.1 from over 20 customer reviews.

Original Post

Written by gspfunk

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207 Comments

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Aug 1, 2024 2:26 PM
581 Comments
Joined Feb 2010
vnangiaAug 1, 2024 2:26 PM
581 Comments

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

I got this last time (without the panel) and am overall reasonably pleased with it, though the promised trolley still hasn't arrived. I do recommend strongly you have a plan to integrate it with your house before you buy it. I am stuck trying to integrate it since I have an older house and panel with limited options to hook up a essential load panel and so on.

In retrospect, I might have chosen to go down a different path now that I know all of this, and am still debating returning it and replacing it with a DIY solar PV system, but it's not for the lack of quality but logistics for my particular house, and what I'm trying to achieve with it. Otherwise, it's an extraordinary device.
3
Aug 1, 2024 4:36 PM
91 Comments
Joined Sep 2009
kalieaireAug 1, 2024 4:36 PM
91 Comments
Quote from vnangia View quoted comment :
I got this last time (without the panel) and am overall reasonably pleased with it, though the promised trolley still hasn't arrived. I do recommend strongly you have a plan to integrate it with your house before you buy it. I am stuck trying to integrate it since I have an older house and panel with limited options to hook up a essential load panel and so on.

In retrospect, I might have chosen to go down a different path now that I know all of this, and am still debating returning it and replacing it with a DIY solar PV system, but it's not for the lack of quality but logistics for my particular house, and what I'm trying to achieve with it. Otherwise, it's an extraordinary device.
Have you joined the EcoFlow DELTA Series Official facebook group?

Regarding hookup, I figure you can just install a standard transfer switch with interlock or a GenerLink. That would be the best way without the SHP2.

The Smart Home Panel 2 has some potential issues. If there's a problem with the relays, they're integrated, so you'd have to replace the entire panel. If you use a transfer switch with interlock, you can power everything (your main panel) through your Delta Pro Ultra and then connect the DPU to your service panel.
Aug 2, 2024 4:12 AM
3.8K Comments
Joined May 2006
SlickDealzYoAug 2, 2024 4:12 AM
3.8K Comments
I wish they had the 12kwh package at $6k (Costco did this before) or the 6kwh at $3k (like the home depot deal) but I've never seen them offer the 6kwh ultra package at Costco. 18kwh at $8k is not bad but i don't need this large of a capacity. the wait continues...
Aug 2, 2024 5:20 AM
102 Comments
Joined Feb 2024
CryotekAug 2, 2024 5:20 AM
102 Comments
Quote from kalieaire View quoted comment :
Have you joined the EcoFlow DELTA Series Official facebook group?

Regarding hookup, I figure you can just install a standard transfer switch with interlock or a GenerLink. That would be the best way without the SHP2.

The Smart Home Panel 2 has some potential issues. If there's a problem with the relays, they're integrated, so you'd have to replace the entire panel. If you use a transfer switch with interlock, you can power everything (your main panel) through your Delta Pro Ultra and then connect the DPU to your service panel.
Had a Smart Home Panel 2 that failed after 2 weeks, using a transfer switch and sub panel now, together with the Ecoflow 50amp Homehub (so you can use 2 inverters, or 1 inverter and 1 generator). Agree on avoiding the SHP2 unless you're an electrician or have lots of free time when it fails.
Aug 2, 2024 12:19 PM
234 Comments
Joined Nov 2022
CovvieAug 2, 2024 12:19 PM
234 Comments
Quote from vnangia View quoted comment :
I got this last time (without the panel) and am overall reasonably pleased with it, though the promised trolley still hasn't arrived.
Huh, I ordered the 2 batteries + inverter version & had a trolley unexpectedly appear on my doorstep a couple weeks after everything else had arrived. I had no idea why it appeared but since it was designed for a single battery + inverter (basically 2 units), and I had two batteries & inverter (3 units), it was pretty much useless to me. I barely managed to unpack & stack everything by myself on the included rolling stand, so trying to unstack, move, and restack to periodically use the trolley was never going to happen. Called Costco to return it & get it picked up and wound up waiting about 2 weeks for it to get picked up as it was initially scheduled, then rescheduled a few days later without warning because the returns department classified it as a "hazardous item" & shifted it to a freight pickup, and then finally a week or so later got an email from EcoFlow with 4 return labels to return the batteries, inverter, and trolley & a notice that FedEx would pick everything up a couple days later. Contacted EcoFlow support to explain that I was just returning the unexpected trolley and only needed a single label for it, not everything, at which point I finally got a response from EcoFlow telling me that the trolley was a gift and asking if I still wanted to return it.
1
1
Aug 2, 2024 12:42 PM
234 Comments
Joined Nov 2022
CovvieAug 2, 2024 12:42 PM
234 Comments

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

I got the 12 kWh version and overall I am pretty pleased with it but there are some issues.

I tried using the 0 ms online UPS port to power my network & server stack directly, removing my normal UPS from the path, and few days later got a notice that the NAS had unexpectedly rebooted. Looked and found that the entire network & server stack had unexpectedly rebooted, meaning that the online UPS port briefly went offline for some reason. I've split the load across the online & standby ports to see if it happens again and so far it hasn't, so I don't know what caused it to happen. It might be load related, might be linked to the fact I was only using an online port & not the standby ports, or it might have been a one time thing due to some combination of those.

The other annoying point is that the scheduling for time of use/time shifting is half baked at best. It is only possible to create a single schedule, which doesn't sound bad but is extremely frustrating if you want to have different schedules on different days. In my case I need a M-F schedule, the days I have mixed on peak/off peak power rates, and then a Sat-Sun schedule when the entire day is off peak. That simply isn't possible to do. Creating the M-F schedule entry works, but then it is impossible to add another entry for Sat-Sun. With just the M-F schedule the system shifts to battery only mode on Saturday and only pulls from the AC input when the battery is drained to the configured minimum level. To make M-F work, and still have it use the AC input most of the time on Sat-Sun, I had to create a single entry that says I have a peak power charge every day. So even on the two days where I don't need to power shift I have to because I want to power shift the five other days.

Oh, and setting up as "time of use" had its own problems of running on battery even though the app dashboard said it was supposed to be charging the battery. Supposedly there was a bug about it using UTC instead of the local time zone, but I'm not sure that was what was happening. It might have been because when I finally left it alone for a day or so it did seem to finally sync up with what the dashboard said should be happening. At least mostly, since the same single schedule problem above exists and it still went into battery only mode.
1
Aug 2, 2024 4:13 PM
3.8K Comments
Joined May 2006
SlickDealzYoAug 2, 2024 4:13 PM
3.8K Comments
Quote from Covvie View quoted comment :
I got the 12 kWh version and overall I am pretty pleased with it but there are some issues.

I tried using the 0 ms online UPS port to power my network & server stack directly, removing my normal UPS from the path, and few days later got a notice that the NAS had unexpectedly rebooted. Looked and found that the entire network & server stack had unexpectedly rebooted, meaning that the online UPS port briefly went offline for some reason. I've split the load across the online & standby ports to see if it happens again and so far it hasn't, so I don't know what caused it to happen. It might be load related, might be linked to the fact I was only using an online port & not the standby ports, or it might have been a one time thing due to some combination of those.

The other annoying point is that the scheduling for time of use/time shifting is half baked at best. It is only possible to create a single schedule, which doesn't sound bad but is extremely frustrating if you want to have different schedules on different days. In my case I need a M-F schedule, the days I have mixed on peak/off peak power rates, and then a Sat-Sun schedule when the entire day is off peak. That simply isn't possible to do. Creating the M-F schedule entry works, but then it is impossible to add another entry for Sat-Sun. With just the M-F schedule the system shifts to battery only mode on Saturday and only pulls from the AC input when the battery is drained to the configured minimum level. To make M-F work, and still have it use the AC input most of the time on Sat-Sun, I had to create a single entry that says I have a peak power charge every day. So even on the two days where I don't need to power shift I have to because I want to power shift the five other days.

Oh, and setting up as "time of use" had its own problems of running on battery even though the app dashboard said it was supposed to be charging the battery. Supposedly there was a bug about it using UTC instead of the local time zone, but I'm not sure that was what was happening. It might have been because when I finally left it alone for a day or so it did seem to finally sync up with what the dashboard said should be happening. At least mostly, since the same single schedule problem above exists and it still went into battery only mode.
Have you had any recalibration issues? Some of the other non-ultra Ecoflows have an issue where the display does not show accurately and they have to drain to 0% and go to full for the % capacity to show correctly. I'm hoping this issue doesn't exist with the Ultras but not sure. To me that issue is a huge flaw and should never be happening.

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Aug 2, 2024 4:45 PM
1.4K Comments
Joined Jul 2007
euuser230056Aug 2, 2024 4:45 PM
1.4K Comments
At least it's sold through Costco so maybe they will ship these?

If they are shipping from EF I would be wary though. They took thousands of orders over prime days charged everyone's cards, sent out fake tracking numbers and never shipped.
Aug 2, 2024 5:32 PM
24 Comments
Joined Nov 2014
ivan22fAug 2, 2024 5:32 PM
24 Comments
Would you be able to charge it and go off the grid until it runs out of battery and then solar charge it again. Is this an option?
1
Aug 2, 2024 6:17 PM
51 Comments
Joined Nov 2021
CoolChicken9796Aug 2, 2024 6:17 PM
51 Comments
I have cheap power from 12AM-6AM. At 12c/ kwh This is when I charge my electric car. Can I back up (fill up) this 18 kWh every night and use it during the day. For context my non- peak charge is 45c and peak is 65c.
Aug 2, 2024 7:36 PM
730 Comments
Joined Mar 2009
StrategyFreakAug 2, 2024 7:36 PM
730 Comments
Quote from Covvie View quoted comment :
I got the 12 kWh version and overall I am pretty pleased with it but there are some issues.

I tried using the 0 ms online UPS port to power my network & server stack directly, removing my normal UPS from the path, and few days later got a notice that the NAS had unexpectedly rebooted. Looked and found that the entire network & server stack had unexpectedly rebooted, meaning that the online UPS port briefly went offline for some reason. I've split the load across the online & standby ports to see if it happens again and so far it hasn't, so I don't know what caused it to happen. It might be load related, might be linked to the fact I was only using an online port & not the standby ports, or it might have been a one time thing due to some combination of those.

The other annoying point is that the scheduling for time of use/time shifting is half baked at best. It is only possible to create a single schedule, which doesn't sound bad but is extremely frustrating if you want to have different schedules on different days. In my case I need a M-F schedule, the days I have mixed on peak/off peak power rates, and then a Sat-Sun schedule when the entire day is off peak. That simply isn't possible to do. Creating the M-F schedule entry works, but then it is impossible to add another entry for Sat-Sun. With just the M-F schedule the system shifts to battery only mode on Saturday and only pulls from the AC input when the battery is drained to the configured minimum level. To make M-F work, and still have it use the AC input most of the time on Sat-Sun, I had to create a single entry that says I have a peak power charge every day. So even on the two days where I don't need to power shift I have to because I want to power shift the five other days.

Oh, and setting up as "time of use" had its own problems of running on battery even though the app dashboard said it was supposed to be charging the battery. Supposedly there was a bug about it using UTC instead of the local time zone, but I'm not sure that was what was happening. It might have been because when I finally left it alone for a day or so it did seem to finally sync up with what the dashboard said should be happening. At least mostly, since the same single schedule problem above exists and it still went into battery only mode.
Decent deal, but if they offer 18kWh at $6999 in the future that would really be a good price considering the market prices of LFP batteries.


I have been running my EcoFlow Ultra for 3 weeks now and I can confirm the same issues with the TOU/time-shifting in the app with regards to scheduling and time-zone. Even after using the TOU shifting for 2 weeks, the TOU was still using the UTC time zone randomly and then start running a different day's schedule early.

Payback time is in 2-3 years given the very high difference in TOU on and super off peak rates here.

As for sensitive electronics and things, I run my NAS on it with my UPS so I can't speak to the blips but it's worth being careful. Let's see if the inverter can hold up to sustained use over time.

For those without the ability to easily integrate a separate panel or transfer switch and looking to do TOU/time-shifting + backup, a budget solution would be to simply hook the unit up to a 240V outlet using the generator plug and then run extension cords around the house. Not aesthetically pleasing but it works just fine. To confirm, 120V output does work while being charged using the generator plug with 240V.
Aug 2, 2024 8:14 PM
3.8K Comments
Joined May 2006
SlickDealzYoAug 2, 2024 8:14 PM
3.8K Comments
Quote from CoolChicken9796 View quoted comment :
I have cheap power from 12AM-6AM. At 12c/ kwh This is when I charge my electric car. Can I back up (fill up) this 18 kWh every night and use it during the day. For context my non- peak charge is 45c and peak is 65c.
Dang where do you live? Those rates are nuts lol. My peak rate is 16 cents lol my off peak is 7.
Aug 2, 2024 8:14 PM
388 Comments
Joined Oct 2017

This comment has been rated as unhelpful by Slickdeals users.

Aug 2, 2024 8:14 PM
51 Comments
Joined Nov 2021
CoolChicken9796Aug 2, 2024 8:14 PM
51 Comments
Quote from SlickDealzYo View quoted comment :
Dang where do you live? Those rates are nuts lol. My peak rate is 16 cents lol my off peak is 7.
San Diego. Thanks to SDGE
1

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Aug 2, 2024 8:22 PM
17.8K Comments
Joined Jan 2004
LivninSCAug 2, 2024 8:22 PM
17.8K Comments
Quote from CoolChicken9796 View quoted comment :
San Diego. Thanks to SDGE
Better than the $.85/kWh we were paying with them 🤣
1

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