General description The 12V/24V USB PWM Solar Controller (YJSS-30A) is designed for efficient solar energy management. It features an industrial microcontroller that allows users to set charge and discharge parameters, ensuring optimal performance of solar systems. Technical specifications Input Voltage: 12V/24V Current Rating: 30A Display: Large backlit LCD Protection Features: Overcurrent, short circuit, open circuit, reverse polarity Charge Management: Full 3-stage PWM Heat Generation: Low due to dual MOSFET reverse polarity protection Compatibility and accessories Compatible with lead-acid batteries: flooded, AGM, GEL Not suitable for NiMH, Li-ion, or other battery types Installation Install in a well-ventilated area to prevent overheating Keep the battery cable as short as possible to minimize losses Usage Designed specifically for regulating solar modules Do not connect any other charging source to the controller Other information