Features: The TP5000 2A Charging Board Management Voltages Regulator Module features a high efficiency charging management chip, supporting various lithium battery types for safe and reliable charging. With stable output current of up to 2A, this module for easy portability and installation, equipped with overcharge, over discharge, and short circuits Protections for enhanceds safety. for enthusiasts and individuals interested in electronic projects, as well as engineers and developers working on prototypes and product development. for home projects like electronic devices or robots, research experiments testing battery efficiency, and mobile device charging stations providing dependable power to small electronics. Real time LED indicators allow users to Monitoring the charging status effortlessly, while the adjustable output Voltages ranges caters to battery charging requirements, making it tool for various applications. Specifications: Materials: PCB Size:46.8x31.8mm/1.84x1.25inch Package Includes: 10Pcs TP5000 Charging Module note: Please allow 0-1cm error due to manual measurement. make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!