Features 1、Adopt advanced MPPT charging technology to automatically track the maximum power point, 10%~30% higher than charging efficiency the ordinary controller. 2、Intuitive LCD display and graphic symbol, simple control buttons. 3、Intelligent PWM charging mode with automatic temperature compensation. 4、Adjustable control parameters of charging and discharging, settable load operating mode. 5、All round protection functions: Battery reverse discharge, under voltage, reverse connection protection. etc. Specification Features: Adopt advanced MPPT charging technology to automatically track the maximum power point, 10%~30% higher than charging efficiency the ordinary controller. Intuitive LCD display and graphic symbol, simple control buttons. Intelligent PWM charging mode with automatic temperature compensation. Adjustable control parameters of charging and discharging, settable load operating mode. Specification: Model: T40A Charging mode: MPPT + PWM Maximum current: 40A System load loss: ≤13mA Loop buck: ≤100mV Battery undervoltage protection: 10.6V(12V system) / 21.2V(24V system) Temperature compensation: -4mV/cell/°C Temperature probe: NTC 100K thermostat Mounting wire: 6AWG / 12mm2 Working temperature: -10~60℃ Storage temperature: -30~70℃ Humidity requirement: ≤90%RH, no condensation Dimensions: 187*97*61mm / 7.4*3.8*2.4in Package list: 1 * Solar Charge Controller 1 * Connector 1 * User Manual Note: Due to the difference between monitor and light effects, the pictures may not reflect the actual color of the item. Please allow slight error due to manual measurement. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List