poh-NER-seh las PEE-las
Literally, this means 'to put the batteries in oneself,' as if you were a robot or a toy.
In reality, it means to get energized and start working hard on a task.
Si no te pones las pilas, vas a suspender el examen.
B1If you don't get cracking, you're going to fail the exam.
El equipo necesita ponerse las pilas para ganar el partido.
B2The team needs to get its act together to win the game.
Estaba muy cansado, pero me tomé un café y ya me puse las pilas.
B2I was very tired, but I had a coffee and now I'm energized and ready to go.
This is a modern idiom that comes from a very simple and visual idea: battery-powered devices. When a toy, a flashlight, or a remote control stops working or becomes sluggish, what do you do? You put in new batteries ('pilas') to give it fresh energy. The expression simply applies this concept to people. When someone is tired, lazy, or unfocused, they need to 'put in their own batteries' to get going again.
You can use this to encourage someone (or yourself!) to get moving. It's often used as a gentle command, especially with children or friends: '¡Ponte las pilas y termina la tarea!' (Get a move on and finish your homework!).
This phrase uses the verb 'ponerse,' which is reflexive. This means the action is done to oneself. 'Poner las pilas' means to put batteries in something else (like a clock), but 'ponerse las pilas' means to energize yourself.
Mistake: “A learner might say 'Tengo que poner las pilas' when talking about themselves.”
Correction: Always remember the reflexive part! It should be 'Tengo que ponerme las pilas.' The 'me' shows that you are the one receiving the energy. Without it, it sounds like you're just talking about putting batteries in an object.
Want to understand the grammar behind this idiom? Explore these lessons for a deep dive:
The idiom uses the reflexive verb 'ponerse' (to put oneself) rather than 'poner' (to put), which is why we see pronouns like 'te' in 'te pones' and 'me' in 'me puse'—showing the action is done to oneself.
This phrase is most commonly used as a command, such as '¡Ponte las pilas!', which demonstrates how the reflexive pronoun 'te' must be attached to the end of the affirmative command form 'Pon'.
Extremely common in all contexts, from school to work to home. Universally understood.
Very widespread and understood throughout Latin America, especially in countries like Mexico, Argentina, Colombia, and Peru. It's one of the most common and recognizable idioms in the Spanish-speaking world.
Question 1 of 1
If your friend says, '¡Ponte las pilas o llegaremos tarde!', what do they want you to do?
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Not usually, but it depends on the tone. Among friends, it's a normal, friendly encouragement. A parent might say it to a child, or a manager to their team. However, saying it to a superior or a stranger could sound a bit demanding, so it's best used with people you know well.