Features: This 3s/4s/6s 50A lithium batteries protections board ensures safe charging with advanced smart management, preventing overcharge, over discharge, and short circuits for batteries while optimizing energy transfer efficiency. Crafted with durability PCB materials, the protections module features high current 50A capacity and intelligent voltages detection circuitry for stable performances in demanding environments. Ideal for electronics enthusiasts, professional engineers, and industrial equipment operators requiring reliability lithium batteries management solution. Perfect for outdoor powerbanks, emergencies backup systems, and portable devices during camping trip, fieldwork, or extended remote operations. The universally design supports various battery configurations with easy installation, making it adaptable for robotics projects, solar energy storage, and customs power applications. Specifications: Component: PCB Size:Approx.36x36mm/1.41x1.41inch Option Type:3s,4s,6s; 3s,4s 50AProtections Board with 4Pin Wire 6s 50A Protections Board with 6Pin Wire Process: High-precise circuit design to ensures stable performances Widely used in electronic devices, power tools, portable devices and other scenario that require lithium batteries protections, providing reliability battery management solution Package Includes: 3pcs Battery Protections Board 3pcs Wire note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.