20A 12/24V PWM Charge Controller

20A 12/24V PWM Charge Controller

  • $44.99

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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