CM20D - PWM Solar Controller - Wuhan Wanpeng Science&Technology Co., Ltd.
International Hotline: 86 27 84478928

20A 12V/24V Auto PWM Solar Charge Controller

Product performance:
Product features

●Vivid LCD graphic symbols

● Simple button operation

●Automatic Identification of System Voltage level

● Intelligent PWM charging mode

●Automatic Temperature Compensation (custom)

●Adjustable charge-discharge control parameters

●Settable Operating mode of Load

●Battery reverse-discharge protection

●Battery Low Voltage Disconnection (LVD)

●Battery reverse connection protection

●Over current protection

technical parameter


Rated current10A24V20A24V30A24V
Rated voltage12V/24V Automatic Identification
Voltage of solar panel≤50V
Floating charge13.8V/27.6V
Under-voltage protection10.7V/21.4V
Under-voltage recovery12.6V/25.2V
Boost voltage b01 Sealed 14.4V/28.8V(Duration:2hours)
b02 Gel14.2V/28.4V
b03 Flooded 14.6V/29.2V
Open circuit losses≤13mA
Charge and discharge voltage drop<0.2V|<0.1V
Charging modePWM mode
Temperature compensation-4mV/Cell/°C(to be customized)
Specification of the cables≤5#  AWG  (6mm2)
Working temperature-20°C~60°C
Storage temperature-30°C~70°C
Temperature requested≤90%,No condensation
Dimension88 mm*160 mm*37 mm
Diameter of mounting hole64 mm*150 mm --∅5

Application situation
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