1Pcs 15V Over-Discharge Protection Voltage For Battery Management 18V 20V 21V Lithium Battery Protection Board

Description 18V 20V 21V Lithium Battery Protection Board 15V Over-Discharge Protection Voltage for Battery Management Features: 1. Compatible with 18V/20V/21V devices, protecting lithium batteries from multiple brands 2. 15V cutoff prevents over-discharge, significantly extending battery lifespan 3. Stable operation with small-to-medium power devices like work lights, fans, and soldering irons 4. Simple operation: Connect IN/OUT terminals to activate 5. Supports 10A continuous current; adds heat sink for high-current applications Parameter: 1. Low-voltage protection board for lithium batteries, featuring under-voltage and over-discharge protection. Suitable for 18V, 20V, 21V work lights, fans, soldering irons, hot glue guns, etc., preventing battery over-discharge and protecting lithium cells 2. Simply connect input voltage to IN and output to OUT for operation. Output shuts off when input voltage drops below 15V to prevent over-discharge 3. Discharge protection voltage is 15V (higher than lithium battery charger voltage, ensuring charger recognition) 4. Continuous operating current must not exceed 10A. Heat sink installation is mandatory for sustained high-current use Specifications: Material: Plastic+Metal Size: 18 * 16mm Important Notes: 1. This protection board is not suitable for modifying high-power tools such as hammer drills, electric drills, or high-power air compressors. 2. When the input voltage drops below 15V, the output shuts off. Even if the input voltage later rises above 15V, output will not resume. Disconnect the input voltage to reset the protection board before output can be restored. Package include: Protection Board*1 Note: 1. The color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please refer to the actual product received. 2. Please allow slight manual measurement deviation for the data. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.