- Safety voltage protection and battery safeguards: MPPT solar controller with built-in protections for battery overvoltage and overcurrent, power failure, overcharge, deep discharge, reverse polarity, and overheating. These features help prevent damage to batteries and the solar system. - High efficiency MPPT technology: 100A MPPT controller with an advanced maximum power point tracking algorithm and automatic identification of 12V, 24V, 36V, and 48V systems. Two USB 5V charging ports enable convenient device charging. The MPPT tracking efficiency can reach up to 99.5%, significantly improving energy use in solar setups. - Clear, user-friendly interface: A backlit LCD displays real-time operating data and status, including working mode, battery voltage, PV charging current, battery discharge current, product operating temperature, and delay time, making system monitoring straightforward. - Multifunctional design with seven operating modes: The unit features a backlit multi-functional LCD and supports seven working modes, including charging mode, light control mode, light mode, delay control mode, universal control mode, manual control mode, and time control mode. This provides flexible control for different applications. - Practical applications and use scenarios: - Off-grid home or cabin solar systems: Provides reliable battery protection and efficient charging to maintain power reliability in remote locations. - RVs, boats, and outdoor recreational setups: Compact, high-efficiency MPPT controller with USB charging ports for convenient on-the-go power management. - Solar lighting and security projects: Time control, delay control, and light modes enable automated operation for outdoor lighting and other low-power loads.