Fsolar 40A PWM Solar Charge Controller 12/24V AUTO

40A auto PWM solar charge controller with dual USB port, LED display, more clear than the ordinary controller, automatic identification of DC 12V, 24V, with overvoltage, short circuit, overload, overcharge and over-discharge protection.

د.إ 98.00 د.إ 160.00


Automatic 40 amp PWM solar charge controller can recognize 12V/24V, multi-function LED display, easy operation, long service lifetime, it is the best choice for solar power systems.


Model FSOLAR-40
System Voltage DC 12V/24V,automatically switch
The Max Voltage of The Solar Panel Input 50V (12V/24V)
Self Los ≤13mA
Max Charge Current 20A
Max Discharge Current 20A
LVD (9-11V), 21V (18-22V), 42V (36-44V)
LVR 12.6V (11-13.5V), 25.2V (22-27V)
Floating Voltage 13.8V (13-15V), 27.6V(26-30V)
Increase the Charge 14.4V/28.8V/57.6V, the battery voltage is below 12V/24V/ start extra charge for 2 hours
Batterry overpressure protection 15V/30V
Input Reverse Connection Protection Yes
Load Over Current Protection Yes, every two seconds to restart
Charging Mode PWM
Temperature Compensation -24mV℃, -48mV℃, -96-mV℃, relative to 12V/24V
Operating Temperation -20℃- +55℃
Terminal Scale 28-10AWG
Waterproof level IP 32
Product Size 195mm*107mm*59mm
Weight 850g


  • Automatic identification system voltage 12V/24V.
  • Personalized LCD display and two-button operator and page.
  • High-performance PWM three-stage charging.
  • You can choose to load the control template and set the streetlights in the world at night.
  • With overvoltage, short circuit, overload, overcharge, over-discharge protection.
  • Accurate temperature compensation, correct charging, and discharging voltages automatically extend battery life.
  • The default setting can be reset when the controller with the parameter set is powered off.
  • The positive and negative terminals of the input terminal are reversely connected to protect.

Circuit Diagram


12V, 24V





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