Sony Np-fw50 Original W Series Infolithium Battery for Sony Alpha Cameras+DIGI 5 Piece Cleaning Kit Dimensions (Approx.) : 1 5/16 x 3/4 x 1 13/16 inches (31.8 x 18.5 x 45.0mm) Weight (Approx.) : 2.1oz (57g) Battery Type : InfoLITHIUM W-series: Li-ion Battery Capacity : 7.7Wh (1080mAh) Professional 5 piece cleaning kit