Advanced maximum power point (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 speed and guarantee 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 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-low heat. Built-in short circuit protection, open circuit protection, reverse connection protection, overload protection. Reverse current protection, low calorific value, with self-recovery function, will not damage the controller. Real-time display of temperature, charging current and discharge current. Current autofocus MPPT charging, high charging efficiency, charging process does not stop detection, two-way focus . Name: LCD screen solar controller Voltage: DC 12V / 24V Display: LCD screen Working temperature: -35 ℃ -60 ℃ 12V fits 18V solar panel, 24V fits 36V solar panel Application:Solar System Controller Self-consumption:Less than 10MA Overcharge protection:14.4V / 28.8V Overcharge Float charge:13.7V / 27.4V Charge recovery voltage:12.6V / 25.2V Over discharge protection:10.7V / 21.4V Over discharge recovery:12.6V / 25.2V Dual USB output:5V / 2A (charge mobile phone, etc.) color:Orange+black Material:plastic Package Contents: 1 x Solar Panels B