TI (Texas Instruments) BQ2092SN-A311G4 Battery Type: Li-Ion, NiCd, NiMH Function: Fuel, Gas Gauge/Monitor Lead Free Status / Rohs Status: Lead free / RoHS Compliant Maximum Operating Temperature: + 70 C Minimum Operating Temperature: - 20 C Mounting Style: SMD/SMT Mounting Type: Surface Mount Operating Supply Voltage: 4.25 V Operating Temperature: 0?°C ~ 70?°C Package / Case: 16-SOIC (0.154", 3.90mm Width) Product: Fuel Gauges Voltage - Supply: 3 V ~ 5.5 V