Feature:1. [Multi-ports]Solar controller with dual USB output \u0026 dual DCoutput, and applicable for lead-acid, batteries.2. [Alloy Cooling Backplane]It can quickly dissipate heat to prevent the circuit from heating due to the long-term operation of the device.3. [Multi-conservation]The PWM charging method support overload, short circuit conservation, battery Undervoltage conservation, temperature compensation function, reverse battery conservation.4. [LCD Display]LCD screen for dynamically displaying the device\u0027s operating data and working conditions.5. [Automatically]The solar charge controller can set time control mode, and system voltage can automatic identification.Specification:Description:The PWM solar controller is a multi-purpose solar charge and discharge controller, each parameter can be flexibly set to meet your different application needs. It can be widely used on a solar home system, traffic signal, solar street light, solar garden lamp, etc.Features:[Multi-ports]Solar controller with dual USB output & dual DCoutput, and applicable for lead-acid, batteries.[Alloy Cooling Backplane]It can quickly dissipate heat to prevent the circuit from heating due to the long-term operation of the device.[Multi-conservation]The PWM charging method support overload, short circuit conservation, battery Undervoltage conservation, temperature compensation function, reverse battery conservation.[LCD Display]LCD screen for dynamically displaying the device's operating data and working conditions.[Automatically]The solar charge controller can set time control mode, and system voltage can automatic identified.Specifications:Rated Load Current(A): 30A;50A;70A (Optional)Color: Black + OrangeRated Voltage(Va):12/24V AutoUSB output: 2.1A*2DC output: 2Over Charge Current(V): 13.7V/*2 24VOver Discharge Current(V):10.5-11V/*2 24VTemperature Compensation:-3mv//cellEmpty Load Wastage:<45mALoop Voltage Drop:<200mvDisplay: LCD displayCharging type: PWMWaterproof grade: IP32Material: PlasticOccasion: Outdoor, Home, Camping, etcPackage Size: 19*17*5cm/7.48*6.69*1.96inch(30A);23*20.5*6cm/9.05*8.07*2.36inch(50A);25*20*6cm/9.84*7.87*2.36inch(70A)Package Weight: 478g/1.05lb(30A);881g/1.94lb(50A);1410g/3.1lb(70A)Package List:1 * Solar Charge Controller1 * English ManualNote: Only 30A Solar Controller does not show charging current, 50A 70A shows charging current.Package List:1 * Solar Charge Controller1 * English ManualNote: Only 30A Solar Controller does not show charging current, 50A 70A shows charging current.