Patent ID: 9663296
Date: 2017-05-30
CPC Classifications: B60L,B65G,H02J,Y02T

Claim:
1. A mobile drive unit (MDU) comprising: one or more onboard power sources; a communication module to receive instructions, from a management module of an inventory system, to retrieve an inventory holder from a particular location in the inventory system; a drive module to propel the MDU to at least the particular location of the inventory system using power from the one or more onboard power sources; and a charging interface to couple at least one of the one or more onboard power sources to a charging station associated with an inventory station to charge the one or more onboard power sources while (i) the MDU and the inventory holder are located at the inventory station and (ii) the MDU is expected to remain stationary for an amount of time associated with completion of a task associated with the inventory holder or the MDU.