This smart fuel gauge BQ27510DRZT charge controller from Texas Instruments protects your batteries from operating outside its safe operating area. This component will be shipped in tape and reel packaging for effective mounting and safe delivery. This device has a minimum operating supply voltage of 2.7 V and a maximum of 5.5 V. This device runs on Li-Ion Pack. This battery gauge has an operating temperature range of -40 °C to 85 °C.