Part2: Testing ZK-SJ20 Buck Boost MPPT Function
How does the MPPT potentiometer on the ZK-SJ20 buck boost converter work?
Power Queen 100Ah LiFePO4 Battery:
https://uk.ipowerqueen.com/?ref=eqsfmkg1
ZK-SJ20 Buck Boost MPPT Converter 300W
https://www.aliexpress.com/item/1005004966703221.html