Feature：- 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.- 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.- Dual USB output, the maximum current is 2.5A. Equipped with all necessary devices, the control parameters of the system are adjustable, easy to set up and operate. Built-in overheating, overcurrent, short circuit, open circuit , fault elimination, controller automatic recovery. Two-way MOS tube anti-backflow circuit, high-power charging mode, ultra- heat.- Built-in short circuit , open circuit , reverse connection , overload . Reverse current , low calorific , with self-recovery function, will not damage the controller.- 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.Specifications:Name: LCD screen solar controllerVoltage: DC 12V / 24VDisplay: LCD screenSelf-consumption: <;10MAOvercharge : 14.4V / 28.8VOvercharge Float charge: 13.7V / 27.4VCharge recovery voltage: 12.6V / 25.2VOver discharge : 10.7V / 21.4VOver discharge recovery: 12.6V / 25.2VDual USB output: 5V / 2A (charge mobile phone, iPad, etc.)Working temperature: -35 ℃ -60 ℃12V fits 18V solar panel, 24V fits 36V solar panel12.0 volt lead acid battery correspondingThe float voltage is set to: 13.6The recovery discharge v