Features Practical Use Features: Enjoy light control and delay control with adjustable charging and discharging parameters for customized energy management Fast Dual USB Output: Experience quick charging with a maximum current of 2.5A, perfect for essential devices like phones and tablets Clear LCD Display: Monitor your energy status easily with a large LCD screen showing accumulative power generation, discharge power, and temperature Enhanced Safety Protections: Benefit from built-in safeguards against overcurrent, short circuits, open circuits, and reverse connections for worry-free operation Smart Industrial Design: Rely on an industrial-grade main control chip and anti-back circuit, ensuring ultra-low heat generation and efficient performance Features: 1、Practical Use: Enables light control and delay control, adjustable charging and discharging parameters, power off memory, etc. 2、Large Current: Dual USB output enables a maximum current up to 2.5A, supporting quick charging for phone and other electronics. 3、Clear Display: Large LCD screen can clearly display accumulative power generation, discharge power query, temperature and so on. 4、Safer Working: With built in over current, short circuit protection, open circuit protection and reverse connection protection. 5、Smart Design: Adopting industrial grade main control chip and anti back circuit, which ensures ultra low heat generation. Specification: Item Type: Solar Charge Controller Material: ABS Model: K1688 Colour: Blue System Voltage: 12V or 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 PV Input Power390W(12V) 780W(24V) Package List: 1 x Solar Charge Controller 1 x User Manual Note: betweendiv>Recommendations for Safe Use: between/div>betweendiv>1. This controller automatically recognizes 12V or 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 normal voltage judgement. between/div>betweendiv>3. This controller is only suitable for various LA batteries (including Package List 1 x Solar Charge Controller 1 x User Manual