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. 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 + Orange Rated Voltage(Va):12/24V Auto USB output: 2.1A*2 DC output: 2 Over Charge Current(V): 13.7V/*2 24V Over Discharge Current(V):10.5-11V/*2 24V Temperature Compensation:-3mv/℃/cell Empty Load Wastage:<45mA Loop Voltage Drop:<200mv Display: LCD display Charging type: PWM Waterproof grade: IP32 Material: Plastic Occasion: Outdoor, Home, Camping, etc Package 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 Controller 1 * English Manual Note: Only 30A Solar Controller does not show charging current, 50A 70A shows charging current. 1 * Solar Charge Controller 1 * English Manual Note: Only 30A Solar Controller does not show charging current, 50A 70A shows charging current.