Product Features Advanced maximum power point tracking (MPPT) 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 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 tracking charging, high charging efficiency, charging process does not stop detection, two-way focus tracking. Note 10A 40A 50A 60A battery 12V photovoltaic system: power is respectively 100-1000W 10A 40A 50A 60A battery 24V photovoltaic system: power is respectively 200-2000W Product Specification Name LCD screen solar controller Voltage DC 12V 24V Display LCD screen Self-consumption 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, iPad, etc.) Working temperature -35 -60 12V fits 18V solar panel 24V fits 36V solar panel 12.0 volt lead acid battery 12V-The float voltage is set to 13.6 12V-The recovery discharge voltage is set to 12.6 12V-The discharge cut-off voltage is set to 10.7 12V 12.8-volt lithium iron phosphate battery corresponding 12V-The float voltage is set to 14.6 12V-The recovery discharge voltage is set to 13.6 12V-The discharge cut-off voltage is set to 11.0 11.1-volt lithium battery 11.1V-The float voltage is set to 12.6 11.1V-The recovery discharge voltage is set to 11.6 11.1V-The discharge cut-off voltage is set to 9.6 11.1V The minute is adjustable when the output is turned off, which is more convenient (there is no adjustment when the market is only available). Package Included 1 X Solar Panels Battery Charge Controller 1 X User Manual Support & Share