MPPT & PWM Charge Regulation

Solar Charge Controller Calculator

Determine the exact charge controller current rating (Amps) and safe max PV input voltage (Voc) to prevent controller overload.

Array & Battery Specs

Enter total PV array wattage and battery bank operating voltage.

Total Solar Array Power (Watts)

Battery System Voltage

Controller Technology

Panel Open-Circuit Voltage (Voc)

Panels in Series per String

Recommended MPPT Current

60 Amps

Includes 25% National Electrical Code (NEC) Safety Buffer

Max String Input Voltage (Voc): 113.9 V DC (Cold Temp)

Min Charge Controller Rating: 150V / 60A MPPT

Charging Current at Max Power: 50.0 Amps @ 24V