Mppt Pwm Solar Charge Controller, Dual Usb Regulator With Big Lcd, Battery Load. Features: Automatic Identification System Voltage, 12/24V Auto Recognition. Humanized LCD Displaying and Double Button Operation of Man-machine Interface. Completed Technical Data for Setup and Modify. High Efficiency Intelligent MPPT 3-stage Charging Mode. The Load Control Mode Can Be Selected, the Timer Function Can Be Reset for Street Light at Night. Discharge Capacity Control. Discharge Counter of Ampere Hour. Working Storage Function: Record the Total Run Time of System, Record Timers of Error During Running Time, Record Times of Full Charged Battery. Reliable over Voltage Protection, Short Circuit Protection, over Load Protection, Overcharge Protection, Over-discharge Protection. Accurate Temperature Compensation, Correcting the Charging and Discharging Voltage Automatically, Improving the Battery Lifetime. Roundly Reverse Connected Protection. Solar Panels, Battery, Solar Charge Controller Positive Poles Are All Connected Together, Adopting Negative MOSFET in Series Control Circuit. SPECIFICATIONS Is Smart Device: YES Application: Charger Controller Application: Lighting Controller Application: Solar System Controller Maximum Current: 70A 50A 30A System Voltage: 12V 24V Input Voltage of Sola Panel: 55V Self-consumption: 10mA Float Voltage: 13.8V Waterproof Grade: IP32 USB: 5V 2.1A Item: 30A 50A 70A MPPT Solar Charge Controller Product: Dual USB Solar Regulator Reverse Connection Protection: Yes Low Voltage Reconnect Voltage: 12.6V(adjustable) Low Voltage Disconnect Voltage: 11V(adjustable) Current: 30A, 50A, 70A Rated Voltage: 12/24V USB Output: 2.4A X2 Over Charge Current(V): 13.7V/x2 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: MPPT PWM Waterproof Grade: IP32 Material: Plastic Color: Black + Orange Size: 17.5 X14 X 4cm/6.9 X 5.5 X 1.6in(30A), 21 X 19.2 X 5.5cm/8.3 X 7.6 X 2.2in(50A), 22.8 X 20 X 5.5cm/9 X 7.9 X 2.2in(70A) Package Weight: 480g-1284g Package List: 1x Solar Charge Controller 1x User Manual . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.