Can YI Smart Dashcam be charged by the 12v in-car battery? No. the maximum tolerance of the camera is 5v DC. Related articles Can YI Smart Dashcam use a portable USB battery pack as its power source? What is the designed capacity of the built-in battery? How do I use the cigarette-lighter adapter? Can YI Smart Dashcam keep recording after car turn off? What is the temperature range of the camera? What is the electric current when the camera is in use?