Ognasty.make contact whit Spondoolies. And open group bay.
depende of price i bay 2 set sp-100 and spare controler.
may home litle mining

exschange box is dimension 3,5x3,5 x 2,4 meter whit mil Astrocell-Cleanroom-Air-Filter


8 hour in day i have negative price of electric in winter in summer 10 hour day.
if i dont spend 7 kwh i must pay 1$ by hour,if i spend 7kwh i pay 0$ and recive 1$ on account