PWM Solar Charge Controller for Lithium Battery, Photovoltaic Regulator, LCD Display, 12V/24V 30A

Features: 1. Main purpose: Helps you automatically manage the operation of the solar panel and battery with a built-in industrial microcontroller, compatible with 12V and 24V system voltages. 2. DUAL USB OUTPUT: 3 levels of PWM charge management with two USB interface outputs, 5V/2.5A (maximum), which can charge mobile phones, tablets, and PCs. 3. CIRCUIT PROTECTION: With overcurrent, short circuit, reverse connection, overvoltage, and overload protection, ensuring safe operation and extended battery life. 4. 3-STAGE PWM CHARGING: Adopts fast charging, large charging, and 3-stage PWM adjustment for efficient and intelligent charging. 5. WIDE APPLICATION: Suitable for solar power generation systems, smart homes, solar ventilation systems, solar light boxes, billboards, and warning lights, etc. Specifications: Item Type: Solar Charge Controller Supported Battery Type: B1: 12V/24V Acid Battery (automatic identification) B2: Lithium-ion Battery (Lithium Battery) 3 strings of 3.7V = 11.1V B3: LiFePO₄ Battery 4 strings of 3.2V = 12.8V System Voltage: Automatic adaptation 12V/24V Maximum PV Voltage: Up to 23V 12V; Up to 46V at 24V. Charge cutoff voltage: 14.4V (B1), 12.6V (B2), 14.6V (B3). Discharge cutoff voltage: 10.7V (B1), 9V (B2), 10V (B3). Discharge recovery voltage: 12.6V (B1), 10.5V (B2), 12V (B3). Light control on threshold: 8V photovoltaic panel. Light control off threshold: 8V photovoltaic panel. USB output: 2-way USB output, 5V/2.5A (maximum). Standby current: Operating temperature: -35~+60℃. Package list: 1 x Solar charge controller x user manual in English. Note: No need to reset when the battery is depleted, as it remembers various user-defined settings.