The LET-XB1-HJ Series is a new generation of MPPT solar charge and discharge controllers with an integrated Bluetooth module. Users can easily read or modify settings parameters through the EPEVER APP. It boasts rapid tracking speed and response for high-power points, ensuring maximal utilization of solar energy. The device features an adaptive three-stage charging mode and a stable function for lithium battery activation, which safeguards battery charging and enhances the overall system performance and lifespan. It also offers a constant voltage output function, which allows the PV to directly supply power to the load in sunlight without a battery, significantly broadening the system's applications. With an IP33 protection and a low self-consumption, along with optimized EMC and comprehensive protection functions, it is suitable for various fields including RVs, residential systems, and field monitoring, meeting a variety of needs.
Stable constant voltage output for reliable performance
Fast MPPT tracking with 99.5%+ efficiency
Bluetooth/app control for easy parameter adjustment
Low self-consumption (<10mA) & IP33 protection
Wide battery compatibility: lithium, gel, sealed, etc.
4G/Wi-Fi remote monitoring & temperature compensation
Performance Advantages
MPPT solar charge controllers offer several advantages for solar power systems. These controllers can improve energy harvesting efficiency by up to 30% compared to traditional PWM controllers, leading to increased electricity production from solar panels. Additionally, MPPT controllers are capable of automatically adjusting the solar panel voltage and current to match the battery bank's requirements, ensuring optimal charging. They are also more effective in cold and cloudy conditions, making them ideal for areas with varying weather patterns. Furthermore, MPPT controllers often include features like temperature compensation and electronic protections, providing enhanced battery management and system reliability.
