A tablet storage device for holding a plurality of tablets, comprising: a cart frame, including: a horizontal wheeled base; a single vertical portion extending from the wheeled base; the tablet storage device further including: a first module, defining a selectively accessible first interior space, the first module, having a plurality of storage slots within the first interior space adapted to hold a first portion of the plurality of tablets; and a second module, defining a selectively accessible second interior space, the second module, having a plurality of storage slots within the second interior space adapted to hold a second portion of the plurality of tablets; a power supply system for charging each of the plurality of tablets; wherein the cart frame, is adapted to removably hold the first and second modules, in a stacked arrangement on the horizontal wheeled base; wherein the storage slots of the first and second modules, have connectors for connecting to the plurality of tablets and to connect the plurality of tablets to the power supply system; wherein the horizontal wheeled base includes a translatable tray on which the first and second modules rest, the translatable tray translatable from a first position to a second position, the first position being a position in which a vertical surface of at least one of the first and second modules is disposed immediately adjacent to the vertical portion of the cart frame, and the second position being a position in which the vertical surface is spaced from the vertical portion of the cart frame. a cart frame, including: a horizontal wheeled base; a single vertical portion extending from the wheeled base; the tablet storage device further including: a first module, defining a selectively accessible first interior space, the first module, having a plurality of storage slots within the first interior space adapted to hold a first portion of the plurality of tablets; and a second module, defining a selectively accessible second interior space, the second module, having a plurality of storage slots within the second interior space adapted to hold a second portion of the plurality of tablets; a horizontal wheeled base; a single vertical portion extending from the wheeled base; the tablet storage device further including: a first module, defining a selectively accessible first interior space, the first module, having a plurality of storage slots within the first interior space adapted to hold a first portion of the plurality of tablets; and a second module, defining a selectively accessible second interior space, the second module, having a plurality of storage slots within the second interior space adapted to hold a second portion of the plurality of tablets; a first module, defining a selectively accessible first interior space, the first module, having a plurality of storage slots within the first interior space adapted to hold a first portion of the plurality of tablets; and a second module, defining a selectively accessible second interior space, the second module, having a plurality of storage slots within the second interior space adapted to hold a second portion of the plurality of tablets; a power supply system for charging each of the plurality of tablets; wherein the cart frame, is adapted to removably hold the first and second modules, in a stacked arrangement on the horizontal wheeled base; wherein the storage slots of the first and second modules, have connectors for connecting to the plurality of tablets and to connect the plurality of tablets to the power supply system; wherein the horizontal wheeled base includes a translatable tray on which the first and second modules rest, the translatable tray translatable from a first position to a second position, the first position being a position in which a vertical surface of at least one of the first and second modules is disposed immediately adjacent to the vertical portion of the cart frame, and the second position being a position in which the vertical surface is spaced from the vertical portion of the cart frame.