expiredowl posted Feb 01, 2022 07:57 AM
Item 1 of 6
Item 1 of 6
expiredowl posted Feb 01, 2022 07:57 AM
Costco Members: EcoFlow River Pro Portable Power Station
& More + Free Shipping$430
$579
25% offCostco Wholesale
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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.)
The Delta Pro can power essential things for at least a few hours in a serious pinch.
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But the equipment does double as a power outage power source so he could justify the cost that way.
So the Delta Pro can potentially last 5 days since it is 5x the capacity.
The refrigerator draws the most power during defrost mode when the compressor kicks on.
This is why someone going this route needs to invest in a $20 power meter like a Kill-A-Watt to get the actual numbers instead of guessing.
I haven't done this with my GE Profile, but I am going to make a measurement over 24 hours.
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Will the Massimo 100 watt portable solar panel work to charge the River Pro?
How long would the River Pro run this cooler? The cooler specs say "Average Power Consumption: 45 +- 5W" so I calculate 720/45= ~16 hours. Is that correct?
Cooler link: https://www.costco.com/massimo-cx...66493.html
Solar panel link: https://www.costco.com/massimo-10...93941.html
Thanks for all the awesome insights in this thread!
Will the Massimo 100 watt portable solar panel work to charge the River Pro?
How long would the River Pro run this cooler? The cooler specs say "Average Power Consumption: 45 +- 5W" so I calculate 720/45= ~16 hours. Is that correct?
Cooler link: https://www.costco.com/massimo-cx...66493.html [costco.com]
Solar panel link: https://www.costco.com/massimo-10...93941.html [costco.com]
Thanks for all the awesome insights in this thread!
It should charge the River Pro if it is like other 100W panels.
It should charge the River Pro if it is like other 100W panels.
It says VOC: >22.4
Working voltage: <18V
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It says VOC: >22.4
Working voltage: <18V
The electricity was cheaper at night, so the power bank was charged at night and also ran the refrigerator.
During the day, the power bank is disconnected from the grid and the refrigerator is powered by the power bank.
The math for the linked product, the Delta Pro, is correct. The Delta Pro's capacity is 3600Wh so 3600Wh ÷ 1875W = 1.92 hours . However, it is realistically closer to 1.5 hours since rule of thumb is 20% reserved by unit for itself.
Also, most hairdryers are 1500W at high setting.
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4500 cycles at 80% Depth of Discharge
4500 cycles ÷ 365 days = 12.3 years
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