Features: Engineered with advanced burning management systems protections for batteries, this sturdy ABS plastic case ensures overcharge, over discharge, and short circuit prevention while featuring a clear power display for real time monitoring. Available in 10/15/20 cores configurations, the high grade shell integrates precise voltages detection and low 25uA operating current, maintaining optimal performances across demanding power tool applications. Designed for professional and craft enthusiasts using drills, or grinders, this battery housing set enhances safety during workshop projects, construction tasks, and heavy duty repairs. Perfect for extending battery life in industrial workshops or home garages, its thermal stable design withstands continuous 8 20A discharge currents for woodworking, metal fabrication, and equipment maintenance. suitable with power tool systems, this customizable PCB equipped case supports seamless integration of lithium cells while ensuring compliance with international electrical safety standards. Specifications: Type: 5 Knots/10 Knots/15 Knots/20 Knots Materials: ABS Size:Approx.82x62mm/3.22x2.44inches Package Includes: 1Set Battery Box Protections Plate note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.