外がい部ぶ電でん源げん

noun

external power source; external power supply

Technical term for a power source outside the device, such as an AC adapter or external battery.

• この装そう置ちは外がい部ぶ電でん源げんがないと動うごきません。

  This device won't work without an external power source.

• ノートパソコンに外がい部ぶ電でん源げんを接せつ続ぞくしてください。

  Please connect an external power supply to the laptop.