Features Industrial Grade Control Chip: Features a robust control chip for efficient 3-stage charging management, ensuring minimal heat generation and enhanced reliability Large LCD Display: Enjoy a user-friendly interface with a clear LCD screen that shows real-time charging and discharging currents, along with power generation data Advanced Light & Delay Control: Adjustable parameters allow for precise control over charging and discharging cycles, enhancing the system's efficiency with power-off memory Dual USB Output Convenience: Equipped with dual USB ports providing up to 2.5A of current, allowing simultaneous charging of multiple devices for added convenience Comprehensive Self Recovery Protection: Built-in protections against overcurrent, short circuits, and reverse connections ensure longevity and safe operation without damage to the controller Features: 1、Main Control Chip: Industrial grade main control chip, complete 3 stage charging management, back resistance circuit, ultra low heat generation 2、LCD Display: Large screen LCD display, charging and discharging current display, accumulative power generation and discharge power query, temperature display 3、Light Control + Delay Control: With light control + delay control, adjustable charging and discharging parameters, with functions such as power off memory 4、Dual USB Output: The solar charge controller with dual USB output, maximum current up to 2.5A, support for charging 5、Self Recovery Type: Built in over current, short circuit protection, open circuit protection, reverse connection protection, all self recovery, non damage to the controller Specification: Item Type: Dual USB Solar Charge Controller Material: ABS Model: K1688 Colour: Black System Voltage: 12V/24V Automatic Adaptation Maximum Photovoltaic Voltage: 50V USB Output: 2 USB outputs, 5V/2.5A (Maximum) Boost Charging Voltage: 14.4V Floating Voltage: 13.7V (Default Value, Adjustable) Discharge Cut off Voltage: 10.7V (Default Value, Adjustable) Discharge Recovery Voltage: 12.6V (Default Value, Adjustable) Charging Recovery Voltage: 13V Standby Current: between10mA Working Temperature: -35~+60℃ Maximum Photovoltaic Input Power 390W(12V)780W(24V) Package List: 1 x Controller 1 x English User Manual Note: betweendiv>Recommendations for safe use:between/div>betweendiv>1. This controller automatically recognizes 12V/24V. When installing for the first time, please make sure that the battery has enough voltage so that the controller can recognize the correct battery type.between/div>betweendiv>2. Install the controller as close to the battery as possible to avoid voltage drop caused by excessively long wires and affect norma Package List 1 x Controller 1 x English User Manual