BATT CHARGER, 4.2V, -40 TO 125DEG C; Battery Type:Li-Ion, Li-Pol; Input Voltage:5V; Battery Charge Voltage:4.2V; Charge Current Max:1A; Battery IC Case Style:QFN; No. of Pins:10Pins; No. of Series Cells:1; Product Range:- RoHS Compliant: Yes