Costco Members: EcoFlow River Pro Portable Power Station Expired

Original Post

This deal is back for Costco members. Originally posted from previous Slickdeals posting by Jwayne25:
https://slickdeals.net/f/15468187-costco-members-ecoflow-back-in-stock-river-pro-430-delta-powerstation-949-delta-pro-powerstation-2849

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I have been specifically looking for something that functions like a Tesla Powerwall, especially for times in locations with the risk of frequent power outages, but without the large startup cost. Clean energy is my preference, as opposed to a gas-powered generator. Probably not the best solution out there for "living off of the grid," but technology is getting us to a better point of making this more of a reality. Will require a power transfer switch next to the main circuit breaker panel. (I don't currently have solar installed and am less interested with the potential increases in solar infrastructure bill proposals in California.)

Perhaps as a helpful comparison, I have been considering the Tesla Powerwall. The current version is spec'ed to have 13.5kWh accessible at around $10,500, before installation, permitting, and other accessory parts. Plus, Tesla no longer sells this without bundling with Tesla solar. There are other brands that sell battery backups for the home these days, but I trust Tesla for the battery cells at the moment.

With the Tesla pricing, that's about $778/kWh (without taxes, installation, circuitry, etc), and the Powerwall is not portable, if that matters to some of us.
With the EcoFlow pricing, it's $791/kWh (without taxes and still need something like a power transfer switch installed) at the Costco price or $1,000/kWh (at the EcoFlow retail price of $3,600) and $750/kWh for the extension batteries (at the EcoFlow retail price of $2,699).

I consider the EcoFlow Delta Pro model as a DIY (as someone else has put it) starter version of a home battery backup system, with some other benefits, such as having clean energy for camping and other peripheral uses. To have it fully able to be a home backup system for a decent amount of time (12-24 hours), I will probably need 4 of these linked in series, which might be the max at this point in time. With ~14kWh, that should be more than enough for my essential needs, if I turn off non-essentials. (I'm using around 6-8kWh for essentials per day and about 12-14kWh for a typical day that includes non-essentials, too. This is in San Francisco, so no A/C.)

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As an added benefit, the Delta Pro unit has been tested to be able to charge an EV car at a near Level 2 charging rate (Tesla charging at ~30A in the case of the YouTube video - https://www.youtube.com/watch?v=dT7cANoCER0) as a portable car charger in an emergency. Real-world usage is probably only good for 10-12 miles for a 3.6kWh rated battery unit. These types of units (with one or two extra power stations) might be good for tow trucks on AAA-related calls with EVs running out of power that don't already have the EV charging capability built into the tow truck.

Check the video (~10:25) for a demo on using 2 EcoFlow Delta Pro units in series to power a small warehouse/facility.

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Costco Wholesale has for its Members:
select EcoFlow Portable Power Stations for the prices listed.
Shipping is free.
Prices valid until 2/27/2022

Available:
EcoFlow Delta Pro Power Station $2,849.99
https://www.costco.com/ecoflow-de...05522.html

EcoFlow River Pro Portable Power Station $429.99
https://www.costco.com/ecoflow-ri...16905.html

EcoFlow Delta Power Station $949.99
https://www.costco.com/ecoflow-de...16860.html

EcoFlow Delta Mini $699.99
https://www.costco.com/ecoflow-de...32158.html

EcoFlow Delta Max Power Station + Extra Battery Bundle $2899.99
https://www.costco.com/ecoflow-de...05483.html

EcoFlow 160W Solar Kit $299.99
https://www.costco.com/ecoflow-16...16854.html

Features (River Pro):
Three 600W Outlets and 720Wh Capacity
Recharge from 0% to 80% in One Hour
Compatible with 80% of Home Appliances
Control with Ecoflow App

https://www.costco.com/CatalogSea...rd=ecoflow

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Next best price I can find for the EcoFlow Delta Pro is at HSN.com for $3,300, and most other stores sell for the list price of $3,600.