A surgical instrument system includes a surgical instrument, an accessory, andan energydevice. The surgical instrument has a housing, a shaft extending from thehousing, and a toolassembly operably coupled to the shaft. The accessory is selectively couplableto the surgicalinstrument. An energy device is operably coupled to the accessory when theaccessory iscoupled to the surgical instrument such that the energy device powers theaccessory.
