Expansion Back for 10” ET40 and ET45 tablet with VESA Pattern and DCpower input.Replaces existing battery cover and screws down to back of tablet.- Powers the tablet using the pogo connectors on the back of the tablet.Sold separately:- Power supply SKU# PWR-BGA12V50W0WW and DC cable SKU#- CBL-DC-388A2-01.- Country-specific AC line cord (options listed in this document)compatible with the power supply SKU