Maintenance
The controller is maintenance free. If the connection wire is damaged or loosed, please
replace the new wires or tighten the screws. The case should be cleaned occasionally with
dry cloth.
Technical Specifications
Electrical Parameters
Rated solar panel amps GZ-10
Normal input Solar cell array voltage
Max. solar cell array voltage (output has no load)
The controller lowest operating voltage at solar or
battery side
Charging characteristics
Start Voltage at 25°C
Charge Voltage at 25°C
Equalizing voltage at 25°C
Float voltage at 25°C
Battery temperature compensation coefficient
Protection
Against reverse polarity or short circuit
No reverse current from battery to solar at night
Over temperature protection during charging
Parameter
20A
15-22V
25V
8V Minimum
3-10V
LTO battery-14.0V
Gel battery-14.1V
LiFePO4 battery-14.4V
AGM battery-14.4V
WET battery-14.7V
Calcium battery-14.9V
WET or Calcium battery-15.5V
Gel, AGM, WET, Calcium batteries - 13.6V
LTO and LiFePO4 – 13.4V
-24 mV/°C
65°C
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