Per Sony Accessorio Fotocamera Efficiente Doppio Slot per Caricabatterie NPFZ100
The USB-B output is 8.4V2A, and the charging output is 5V(0.5A-1A) X2. The for SD read and write speed is 25MbS R&W. The charging box size is 137 78 29(MM), and it weighs 100g. It is portable, compact, and lightweight.