BUY DS2434 https://www.utsource.net/itm/p/112807.html
Battery Identification ChipID
Description: The DS2434 is a 1-Wire, 4Kb, EEPROM memory device from Dallas Semiconductor. It is available in a TO-92L package. Features: - 4Kb of EEPROM memory - 1-Wire interface - Low power consumption - Operating temperature range of -40°C to +85°C - TO-92L package Applications: - Data logging - Identification - Automotive systems - Industrial control systems - Home automation systems (For reference only)