This intelligent ,multi-purpose solar charge and discharge controller has a very friendly interface of fixed LCD display .Various control parameters can be flexibly set ,fully meet your various application requirements. Features Displays Current(amp), Voltage Rated Voltage: 12V/24VRated Current: 100AMax PV input Voltage: 50VCharging Function: PWM

• Automatic identification of system voltage level
• Intelligent PWM charging mode 
• charge-discharge protection
• Automatic temperature compensation
• Settable operation mode of load
• Battery reverse-discharge protection
• Battery low voltage disconnection(LVD)
• Battery reverse connection protection
• Overcurrent protection

 Advanced maximum power point tracking (PWM) technology, Super fast tracking speed and guarantee tracking efficiency.- Large screen LCD display, charge and discharge current display, temperature display, light control delay control; adjustable charge and discharge parameters, with power-off memory and other functions.-  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.> user manual ,& also has Solar Talkers Boldly written on it.