Features Advanced Charging Management: Features an industrial-grade main control chip for efficient 3-stage charging, ensuring optimal performance and minimal heat generation Clear LCD Display: Equipped with a large LCD screen that shows charging and discharging currents, accumulated power generation, and temperature for easy monitoring Smart Light Control: Incorporates light control and delay settings, allowing you to adjust charging and discharging parameters with power-off memory functionality Dual USB Output: Provides dual USB outputs with a maximum current of 2.5A, enabling simultaneous charging of multiple devices for your convenience Comprehensive Protection Features: Includes self-recovery mechanisms for overcurrent, short circuit, open circuit, and reverse connection protection to safeguard your system 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