Translation guide
In Japanese, 'low voltage' is commonly expressed as 低電圧 (ていでんあつ) in technical contexts. For everyday situations like a low battery, use 電圧が低い (でんあつがひくい) or more naturally バッテリーが少ない (ばってりーがすくない).
low voltage (technical)
Referring to low voltage in electrical engineering, electronics, or power systems.
Standard technical term for 'low voltage'. Used in specifications, manuals, and engineering contexts.
This device operates on low voltage.
Descriptive phrase meaning 'the voltage is low'. More conversational than 低電圧.
The voltage is too low, so the motor won't run.
Indicating that a battery or power source is low, such as in a remote control or phone.
Common way to say 'the battery is low'. 少ない means 'little/few', implying low charge.
The remote control's battery is low.
Means 'the battery is about to die'. 切れそう implies it's almost empty.
Literally 'the voltage is dropping'. Used in more technical or precise contexts, like monitoring battery health.
Referring to signs, labels, or warnings indicating low voltage areas or equipment.
Common warning label meaning 'Caution: Low Voltage'. Often seen on electrical panels.
This room has a 'Caution: Low Voltage' sign.
While 低い電圧 (ひくいでんあつ) is grammatically correct, it's less common than 低電圧 in technical contexts. Use 低電圧 for compound nouns and labels.
low voltage circuit
My phone's battery is about to die.
The battery voltage is dropping, so it needs to be replaced.