Features: Featuring advanced balanced charging technology, this 18650 lithiums battery protections board ensures uniform cell performances with 20A continuous current output, significantly extending battery lifespans while maintaining stable power delivery for high demands devices. from PCB materials with enhanceds thermal conductivity and anti interferences capabilities, the board integrates multiple layered safeguards including over voltages, over current, and short circuit protections for operations across extreme conditions. for drones enthusiasts, professional photographers requiring power solution, and engineers developing high performances projects like electric scooters or solar energy systems. Optimizes power management in outdoor gear, heavy dutys electric tool, and emergencys backup systems where consistent 20A current output and battery safety are critical. for compatibility with various 18650 battery configurations, this protections board simplifies complex installations while meeting rigorous performances standards through its intelligent balancing algorithm and industrial construction. Specifications: Materials: PCB Styles: Balanced version, Standard version(optional) Package Includes: 5Pcs 18650 lithiums Battery protections Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.