Features Advanced PWM Charging Management: Experience efficient energy management with the built-in industrial microcontroller that enables full 4-stage PWM charging for optimal battery performance User-Friendly LCD Display: Easily adjust charge and discharge parameters with the LCD display, featuring a power-off memory function for convenience and efficiency Automatic Backlight Feature: The backlit screen enhances visibility in low-light conditions, automatically turning off after 5 seconds of inactivity to save energy Dual USB Output Capability: Enjoy versatile charging options with up to 2.5A maximum current through dual USB outputs, perfect for powering multiple devices simultaneously Comprehensive Safety Protections: Stay worry-free with multiple safety features, including short circuit, open circuit, reverse, and overload protections to safeguard your system Features: 1、This built-in industrial microcontroller enables full 4-stage PWM charging management. 2、The LCD display screen with power-off memory function makes it easier to adjust charge and discharge parameters. 3、The screen has a backlight, and the backlight will automatically turn off after no in about 5S. 4、The maximum current is 2.5A, dual USB output, supporting for charging. 5、Has short circuit protection, open circuit protection, reverse protection and overload protection. Specification: Item Type: Solar Charge Controller Model: LD3024U Material: ABS Application: Suitable for home, industry, commerce, etc. System Voltage: 12V/24V Maximum Photovoltaic Voltage: 50V Maximum Photovoltaic Input Power: 390W (12V); 780W (24V) Rated Current: 30A Maximum Solar Input: Maximum 23V when using 12V battery. Maximum 46V at 24V battery. Standby Current: between12mA Working Temperature: -35 - +60℃ Package List: 1 x Solar Charge Controller 1 x User Manual Note: betweendiv>1. Before the first time installing, please make sure your battery has enough voltage so that the controller can recognize the battery type. between/div>betweendiv>2. The battery cable should be as short as possible to reduce losses. between/div>betweendiv>3. This regulator is only suitable for lead‑acid batteries, including open type, AGM, GEL, not for nickel metal hydride, lithium ion or other batteries. between/div>betweendiv>4. The charging regulator is only suitable for regulating solar battery packs, do not connect other charging sources to the charging regulator.between/div> Package List 1 x Solar Charge Controller 1 x User Manual