Phocos CX charge controller technical specs:
Phocos model: CX40 / CXN 40
System voltage: 12/24 Volt DC auto recognition
Max. charge current: 40 Amp
Float charge: 13.7/27.4 V (25 °C)
Main charge: 14.4/28.8 V (25 °C), 30 min. (daily)
Boost charge: 14.4/28.8 V (25 °C), 2 h
Equalization: 14.8/29.6 V (25 °C), 2 Std. activation: battery voltage <12.1/24.2 V (at least every 30 days)
Low voltage disconnect: 10.5 V / 21.0 V
Max solar panel voltage: 30 Volts (12ZV systems) / 50 Volts (24V systems)
Grounding: Positive / Model CXN for negative ground
Operating temperature: −20 to +50 °C
Battery type: lead acid (GEL, AGM, flooded)