TI (Texas Instruments) BQ27505YZGR-J2 Battery Type: Lithium-Ion (Li-Ion) Function: Fuel, Gas Gauge/Monitor Lead Free Status / Rohs Status: Lead free / RoHS Compliant Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Mounting Style: SMD/SMT Mounting Type: Surface Mount Operating Supply Voltage: 2.5 V Operating Temperature: -40?°C ~ 85?°C Package / Case: 12-UFBGA, WLCSP Product: Fuel Gauges Series: Impedance Track?„? Voltage - Supply: 2.4 V ~ 2.6 V Product Category: Battery Management RoHS: yes Product Type: Fuel Gauges Factory Pack Quantity: 3000