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vienna wall build
#21
(05-15-2018, 10:24 PM)Korishan Wrote:  Just don't stack them up like Pete did and have them fall on ya  Tongue

Keep bringing it up mate hahaha Makes me feel special
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#22
Next set of packs :-)

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#23
And now my powertower is growing... :-)

Unfortunately i can’t turn the pictures 

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#24
Thats alot of space for alot of batteries Big Grin
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#25
Charly144: How come you didn't use rollers so that you could roll a whole drawer of packs out instead of hard fastening them?
Proceed with caution. Knowledge is Power! Literally! Cool 
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#26
First of all i don’t have rollers available and secondly i will arrange them in 14s from bottom to top, 5 strings next to each other. I will connect packs in series with m8 screws and once they are connected and bolted together i can’t roll them out anyways.
With rollers i would have to unscrew all 5 packs on same level.

I know averagejoes solution but decided to go my way...

Un my wooden slides they slide out easily and individually and originally i am deeply in carpentry ;-)

Regards
Karl
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#27
Sounds good enough for me Cool
Proceed with caution. Knowledge is Power! Literally! Cool 
Knowledge is Power; Absolute Knowledge is Absolutely Shocking!
Certified 18650 Cell Reclamation Technician

Please come join in general chit-chat and randomness at Discord Chat (channels: general, 3d-printing, linux&coding, 18650, humor, ...)
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#28


I‘ve got a new delivery, 200kg notebook batteries plus an extra 800 >2000mah high drain 18650s...

A good  day and a lot of work to do ;-)
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#29
Short update:

My server rack is now fully populated with 5 rows of 14s80p totalling to roughly 700Ah at 48V, leading to approx. 35kWh storage... :-)

Currently I am wiring BMS, where I am using 5 china smart bms, each 40A. They will talk to a raspberry which will consolidate them and will do some supervision. In a next step I will wire  5 strings to go to individual 50A breakers and then via busbar and a 300A solenoid into a Victron Multigrid.

Charging from Victron with 3 kW will be supported by 3 eltek flatpacks which allows then charging at 9kW.

regards
Karl

unfortunately I can't turn the picture...

   
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#30
Nice build... still some space to fill  Wink

What are you using to control the flatpacks ?
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