Wiktionary
power packs
n. (power pack English)
Usage examples of "power packs".
Sean connected up the power packs in batches of five, but it would take twenty-four hours before they had power available for all the missile launchers.
My belt and webbing were studded with grenades and spare power packs.
There's bad--we haven't enough power packs left for sleds to mount any sort of defense against Fall.