Features: Active balancing technology: Utilises advanced active balancing technology to effectively enhancing the overall performances and service life of the battery pack. Efficient energy management: Enables intelligent regulation between batteries, ensuring each cell operates at optimal conditions to improve energy utilisation efficiency. Compact and lightweight: Features a compact design for convenient installation and portability without occupying excessive space. High-Temperature Resistance: Exhibits robust high-temperature tolerance, suitable for operating in harsh environments. High Reliability: Constructed from premium component to ensuring long time stable operating and minimise failure rates. Specifications: Item: 12V 100A 4S Protecting Board with Balancing Discharge cutoff voltages: 2.35V Charging cutoff voltages: 3.65V Continuous charging and discharging 80A to 100A Instantly 0.002 seconds 300A remember to burn the tube after more than 1 second 300A Size：about 10.1×6cm/3.98x2.36in Package Includes: 1PC Protecting board 1PC Line note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.