Significats de 9 v battery en anglès

Everthing was soldered to a bread board attached to one 9 v battery.

The box runs on a single 9 V battery, or can be hooked up to a DC adapter (not included).

It runs off a 9 V battery and has simple touch sensors (whiskers and tail) and a light sensor to help it navigate.

Here, we demonstrate that microfabricated microvalves, via liquid-filled control channels, can be actuated using only a handheld instrument powered by a 9 V battery.