Features: The LTC4150 Coulomb Counter Battery charging Monitor Module in high precisions current sensing, accurately measuring charging and discharge currents to provide battery states monitoring and coulomb counting for precise remaining capacity estimation. Featuring a wide voltages ranges for 1 / 2 lithiums or 3-6 NiCd/NiMH batteries, low power consumption in standby mode to extend battery life, and PCB and metal design for easy integration into various devices. for electronics hobbyists, engineers, and manufacturers in fields like consumer electronics, industrial equipment, and renewable energies who need advanced battery management solution. Ideal for portable devices, power tool, and energies storage systems where realtime monitoring of current, capacity, and voltages ensures optimal battery health and safety in demanding applications. This current sensoring module delivers multiple dimensional feedbacks on battery, enhancing efficiency and reliability across diverse electronic projects with functionality. Specifications: [Materials]: PCB, metal [Product size]: 30.4x15.1x7.3mm [Power supply voltages]: 3.3-5V [Operating temperature]: -40℃~85℃ [voltages frequency gains]: 32.55 Package Includes: 1Set Battery Power Charging Detection Module 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.