Definition of "power pack" []

• A usually compact, portable device that converts supply current to direct or alternating current as required by specific equipment. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As he moved quite normally the metal exo-skeleton members attached to his back­bone and limbs corresponded with power from the power pack and reproduced his movements."
• ""You told me they had an emergency power pack of Nife cells for powering their transmitter," he murmured."
• "He thumbed in the exo-skeleton's power pack and at once he gained command of himself."