TI (Texas Instruments) BQ27510DRZT-G2 Battery Chemistry: Lithium-Ion (Li-Ion) Function: Fuel, Gas Gauge/Monitor Lead Free Status / Rohs Status: Lead free / RoHS Compliant Mounting Type: Surface Mount Operating Temperature: -40?°C ~ 85?°C Package / Case: 12-VFDFN Exposed Pad Series: Impedance Track?„? Voltage - Supply: 2.7 V ~ 5.5 V