The LET-XB2-HJ series is a new generation of high-current MPPT charge and discharge controller. It features load output capability and delivers superior MPPT tracking and conversion efficiency. The series is compatible with various lithium battery types and supports three-stage charging management to extend battery lifespan. Its exceptional low-power design significantly reduces static consumption, prolonging system standby time. Comprehensive electronic protection and flexible communication options (WiFi, Bluetooth, 4G, etc.) further enhance system reliability and monitoring capabilities. It is widely used in RVs, boats, industrial monitoring, and small to medium-sized solar power systems.

Wide 12-48V system support with 50-100A current

99.9% MPPT efficiency with 98.5% conversion rate

Dual PV inputs maximize solar energy harvesting

Universal battery compatibility (LiFePO4/AGM/Gel/Flooded)

Durable all-metal IP43 casing for robust protection

Isolated communication with advanced data logging
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.