The tone comes from the system sounds used by phones running Android 5.0 and later, where a short alert warns the user that the charge has fallen to a low level. Because Motorola and Pixel handsets have kept a version of this alert in use, many listeners recognise it immediately from everyday life rather than from a single film, game or meme. That familiarity helped it move onto soundboards and into short videos, where creators reuse it as shorthand for a device running out of power.
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The low battery warning from Android 5.0 and later, still heard on Motorola and Pixel phones, used in videos to signal a phone dying at the worst moment.
This is the short system alert that plays when an Android phone running Android 5.0 or later drops to a low battery level, a brief electronic chime that is instantly recognisable even without looking at the screen. It is clean, quiet and matter-of-fact rather than alarming, with a simple two-note shape that signals the battery is almost gone. In a video it works as a quick reality check, breaking a dramatic or funny moment with the familiar feeling of a phone about to die, and it lands best when the audience already knows the sound from their own device.