This part is a kind of semiconductor called UF484462ST.

Function of this product has Lithium Ion.

Manufacturers : Panasonic Battery

Image and pinout :

Some of the text within the PDF file :

UF484462ST Features & Benefits • High capacity model (High charge voltage) • High energy density and voltage • Long, stable power with a flat discharge voltage • Ideal for portable communications, portable computing, and robotics. Lithium Ion Dimensions Specifications Rated capacity(1) Capacity(2) Nominal voltage Charging Weight (max.) Temperature Min. 1660mAh Min. 1660mAh Typ. 1710mAh 3.8V CC-CV, Std. 1160mA, 4.35V, 4.0 hrs 30.0 g Charge: Discharge: Storage: Volumetric: Gravimetric: 0 to +45°C -20 to +60°C -20 to +50°C 496 Wh/l 210 Wh/kg Max. 61.70 mm Max. 43.90 mm (-) Max. 4.70 mm Energy density (1) At 20°C (2) At 25°C (+) For Reference Only Charge Characteristics VERSION 13.02 R1 | Copyright© 2012 SANYO Energy (U.S.A.) Corporation. All Rights Reserved. Charge: C [ ... ]

UF484462ST PDF Datasheet Download