Sun Energy - Model SE.CCU-12V - Solar PWM Charge Controller Unit

Technology: Series Regulator Common Positive; Max PV Input Voltage: 22.00 V; Nominal Battery Voltage: 12.00V DC; Bulk Voltage: 14.40 V (Adjustable 14.20 -14.40 Volts); Float Voltage: 13.80 V (Adjustable 13.60 -13.80 Volts).