Does the Dash Cam Consume Power When Not Turned Off?
2 Answers
The dash cam does consume power when left on continuously, but the power consumption is minimal. In reality, when the car is parked, the dash cam enters a dormant state. It only activates to record for 5-10 seconds when it senses vibration from the vehicle, then returns to the dormant state, resulting in very little power consumption. Here is more information about dash cams: 1. Dash cams are mainly divided into two categories: portable dash cams and aftermarket in-dash DVD dash cams. 2. Generally, dash cams do not have built-in memory and rely on memory card expansion or mobile digital hard drives. For Micro-SD card or SD card expansion, capacities vary from 2G, 4G, 8G, 16G, to 32G. For mobile digital hard drives, capacities can range from 250G, 500G, to 1000G.
Last time I accidentally left my dash cam on all night, and the next day the car wouldn't start because the battery voltage had dropped too low. The mechanic explained that the dash cam continues to consume power in standby or parking surveillance mode, slowly draining the battery if the vehicle isn't running. Leaving it on long-term can lead to deep discharge, aging, or even complete failure of the battery. My advice is to develop the habit of manually turning it off every time you park. Some models have an auto-shutdown or low-power mode—enabling these can save energy. Battery life is crucial, so regularly checking the voltage display on your dashboard is a good practice. If your car is older, be extra cautious about battery protection. In short, power consumption is inevitable, but being mindful can prevent unexpected troubles and extra expenses.