40A 12/24V AUTO PWM Solar Charge Controller

Product Code: AT30L
Availability: In Stock
This product has a minimum quantity of 40

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


System VoltageDC 12V/24V, DC automatically switch
The Max Voltage of The Solar Panel Input520W (12V), 1040W (24V)
Self Los≤13mA
Max Charge Current40A
Max Discharge Current40A

Floating Voltage13.8V (13-15V), 27.6V(26-30V), 55.2V(52-60V)
Increase the Charge14.4V/28.8V/57.6V, the battery voltage is below 12V/24V, start extra charge for 2 hours
Batterry overpressure protection15V/30V/60V
Input Reverse Connection ProtectionYes
Load Over Current ProtectionYes, every two seconds to restart
Charging ModePWM
Temperature Compensation-24mV℃, -48mV℃, -96-mV℃, relative to 12V/24V/48V System
Operating Temperation-20℃- +55℃
Terminal Scale28-10AWG
Waterproof levelIP 32
Product Size195mm*107mm*59mm


  • 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.

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