Features: Ensures safe and extended battery life with this 12V lithium batteries protections board, offering essential overcharge, over discharge, and short circuit protections to prevent hazards and maintain optimal performances. Featuring a durability PCBA design with an aluminum heat sink, it provides efficient energy management through real time battery monitoring for consistent, high efficiency operate. Ideal for enthusiasts and professional working with various lithium batteries packs, this board supports multiple capacities and specifications to cater to diverse user needs. Perfect for applications like electric vehicles, solar energy storage systems, or portable electronics, it safeguards devices by preventing potential risks and ensuring reliability power management. With built in balancing technology and wide compatibility, this battery protections board enhances overall battery efficiency and longevity for seamless integration into any lithium batteries setup. Specifications: Component: PCBA+Aluminum Heat Sink Size: Approx.58x86x9mm/2.28x3.39x0.35inch Model:4S 100A F 3.2v 8656 Continuous Working Current:Within 100A Instantaneous Working Current:Within 250A Charging Voltages:14.8~15.2v Charging Current:Within 10A Features:LED indicators light,Compact design,High temperature protections,High-efficiency conversion, Package Includes: 1pc Battery protections Board note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.