How to Say "battery life" in Spanish
The Spanish word for “battery life” is “autonomía” — B2 level.
English → SpanishB2
nounB2
how long a device lasts on one charge

Examples
La autonomía de este móvil es de solo cinco horas.
The battery life of this mobile phone is only five hours.
Este coche eléctrico tiene una autonomía de 400 kilómetros.
This electric car has a range of 400 kilometers.
Buscamos un dron con mayor autonomía de vuelo.
We are looking for a drone with a longer flight time.
Technical Usage
In technical contexts, it refers to the 'self-sufficiency' of a machine—how long it can go before it needs help (energy).
Related Translations
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.