What is the designed capacity of the built-in battery? YI Smart Dashcam uses a 240mAh heat-resisting battery. Related articles My camera is still working after I parked the car and pull out the key? Can YI Smart Dashcam be charged by the 12v in-car battery? How to update the firmware? (YI Smart Dash Camera) How long is the charging cable? How do I use the cigarette-lighter adapter?