# Wireless charging
> Wireless charging refills a device by placing it on a compatible charging pad.
Topics: Power & batteries, Smartphones
Difficulty: Everyday
Aliases: Qi charging, Qi2
Updated: 2026-06-26T08:00:00.000Z
## Go deeper
Wireless charging refills a device by placing it on a compatible charging pad. In everyday buying decisions, the useful question is not just what the spec says, but what it changes for comfort, cost, speed, safety, or battery life.