Can a dashcam drain my car battery?

A dash cam does not significantly drain a car's battery under normal usage conditions, as its built-in lithium battery and intelligent power supply mechanism effectively reduce the burden on the battery. When the vehicle is parked, if energy-saving features such as time-lapse recording or collision sensing are enabled, power consumption is also kept at a low level. However, if the 24-hour continuous recording mode is used and the vehicle remains parked for an extended period, it may lead to excessive battery drain, affecting starting performance and even shortening the battery's lifespan. It is best to avoid prolonged use of the dash cam after the engine is turned off and to regularly check the battery status, particularly for models equipped with parking surveillance functions. With proper use, a dash cam can provide driving safety protection without causing substantial damage to the battery.