batería

A device that converts chemical energy into electrical energy and stores it for later use, commonly used to power electronic devices, vehicles, or provide backup power. It can also refer to a series of similar units operating together.

• La batería de mi teléfono se está agotando rápidamente. — My phone's battery is running out quickly.
• Necesito cambiar la batería del coche antes del invierno. — I need to change the car battery before winter.
• El dron tiene una batería de larga duración. — The drone has a long-lasting battery.

This sense of batería refers to the musical instrument composed of drums, cymbals, and other percussion instruments, commonly known as a drum kit. It can also refer to the percussion section of an orchestra or band.

• El baterista practicó con su batería durante horas. — The drummer practiced with his drum kit for hours.
• La sección de batería de la orquesta suena muy potente. — The drum section of the orchestra sounds very powerful.
• Compraron una batería electrónica para no molestar a los vecinos. — They bought an electronic drum kit so as not to bother the neighbors.