Features: *1. Advanced maximum power point tracking (MPPT/PWM) technology, the efficiency is not less than 99.5%. High-quality components improve the system performance, and the maximum conversion efficiency is 98%. Super fast tracking speed and guarantee tracking efficiency. *2. Large screen LCD display, charge and discharge current display, cumulative power generation and discharge power query, temperature display, light control delay control; adjustable charge and discharge parameters, with power-off memory and other functions. *3. Dual USB output, the maximum current is 2.5A. Equipped with all necessary protection devices, the control parameters of the system are adjustable, easy to set up and operate. Built-in overheating, overcurrent, short circuit, open circuit protection, fault elimination, controller automatic recovery. Two-way MOS tube anti-backflow circuit, high-power charging mode, ultra- heat. *4. Built-in short circuit protection, open circuit protection, reverse connection protection, overload protection. Reverse current protection, low calorific, with self-recovery function, will not damage the controller. *5. Real-time display of temperature, charging current and discharge current. Current autofocus MPPT tracking charging, high charging efficiency, charging process does not stop detection, two-way focus tracking. Description: *1. Voltage: DC 12V / 24V *2. Display: LCD screen *3. Self-consumption: