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

    Microcontroller digital accuracy
    PWM Charge mode
    Temperature compensation
    Automatic detection of the voltage
    Double digital LED display, numbers equal to timer setting

Electronic Protection Functions:
    Short circuit protection
    Reverse polarity protection
    Reverse current protection at night
    Over charging, over discharging and over load protection
    Over load protection


Rated charge current
Rated load current 20A
Work voltage 12V/24V AUTO
No load losses current 5mA-20mA (only when digital LEDs being lighted)
Charging circuit voltage drop ≤0.26V
Load circuit voltage drop ≤0.15V
Over voltage protection 14.8V; x2/24V
Boost charge voltage 14.6V; x2/24V
Direct charge voltage 14.4V; x2/24V
Float charge voltage 13.6V; x2/24V
Charge recover voltage 13.2V; x2/24V
Over discharge recover voltage 12.6V; x2/24V
Lower voltage indication 12.0V; x2/24V
Over discharge voltage 11.1V; x2/24V (no load) real-time modified voltage by the discharge rate
Temperature compensation -4.0 mV/℃ 2V (boost voltage direct charge, float charge and charge return voltage compensation)
Control method PWM pulse-duration modulation charge mode
Working temperature: industry stage -35℃~+55℃


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