Expansion Back for 10” ET40 and ET45 tablet with VESA Pattern and DC power 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