This New 50A Solar controller will automatically verify the voltage when you connect your battery with the controller. - 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 3A. 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.
Specifications:
Name: LCD screen solar controller
Voltage: DC 12V / 24V
Display: LCD screen
Self-consumption: <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, iPad, etc.) 3A Total with both USB used
Working temperature: -35 ℃ -60 ℃
12V fits 18V solar panel, 24V fits 36V solar pane
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12.0 volt lead acid battery corresponding
The float voltage is set to: 13.6
The recovery discharge voltage is set to: 12.6
The discharge cut-off voltage is set to: 10.7
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12.8 volt lithium iron phosphate battery corresponding
The float voltage is set to: 14.6
The recovery discharge voltage is set to: 13.6
The discharge cut-off voltage is set to: 11.0
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11.1 volt lithium battery corresponding
The float voltage is set to: 12.6
The recovery discharge voltage is set to: 11.6
* Full Instructions in box
Great Capacity, Good Features 
