Manufacturer: Victron Energy

BlueSolar Charge Controller MPPT 150/70 and MPPT 150/85
Charge current up to 70A and 85A, and PV voltage up to 150V: automatically adjust to a 12, 24 or 48V nominal battery voltage
Ultra-fast Maximum Power Point Tracking (MPPT)
Advanced Maximum Power Point Detection in case of partial shading conditions.