Juicy lion UPS pack

Tomtomtom

Tomtomtom

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Joined
May 18, 2018
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22
Hi,
I have access to truckloads of the Juicy Lion UPS modules used in datacenters. We haven't been able to turn them on properly. Does anyone here have any experience with them? Would be great to just use them as powerwall!

Greetings Tom
 
Most likely the BMS have shut down. If possible measure Voltage inside the UPS module before the BMS. How many units are in a truckload?
Just two of the many possiblities the Modules are made to shut down when removed from UPS units, the BMS shut down do to low voltage so was removed. A pic of the modules might lead to a solution. What voltage are they? Chemistry of cells used?
Later floyd
 
Perhaps make/model of the units would be helpful. There are so many different types of datacenter UPS units it's kinda hard to take a shot in the dark at guessing.
 
Like these below <edit>?</edit>

Resized_Screenshot_20211006-153741_Dropbox.jpeg
 
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I dont know anything about them, but looks like a 14s arrangement for 48V UPS units.

Any way to bypass the BMS, or get access to the cell groups so you can balance and bring the voltage up to see if it starts dishing out power again?
 
I'm curious how many "truckloads" works out to be. I am interested. Where in the world are you? Would love to see some pictures of the units.
 
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