電でん池ち式しき

noun which may take the genitive case particle 'no'

battery-operated; battery-powered

Describes devices that run on batteries, often used attributively with の.

• この時計とけいは電でん池ち式しきです。

  This clock is battery-operated.

• 電でん池ち式しきのラジオを持もってキャンプに行いった。

  I took a battery-powered radio on the camping trip.