Is it safe to keep the cigarette lighter plugged in all the time?
2 Answers
It is not safe to keep the cigarette lighter plugged in all the time. Generally, the cigarette lighter will automatically pop out after reaching a certain temperature, which will not harm the vehicle. However, if the pop-up mechanism is damaged, it will continue to heat up until it damages the vehicle or runs out of power. Functions of the cigarette lighter: 1. Lighting cigarettes: It allows people in the car to light cigarettes even if they don't have a lighter. 2. Charging devices: Car air pumps and air purifiers can be charged using the DC power from the cigarette lighter. 3. Installing a charging frequency conversion fuel saver: The most concerning issue when driving is fuel consumption, as a car cannot run without fuel. Many people want to reduce their vehicle's fuel consumption. By plugging a universal charging frequency conversion fuel saver into the cigarette lighter, it can not only reduce fuel consumption in stop-and-go traffic but also clearly display the fuel consumption amount. Additionally, it can alert the driver when the vehicle is running low on fuel.
I think keeping the cigarette lighter plugged in all the time poses some risks, as it's designed for temporary use. Leaving it plugged in long-term can accumulate dust or debris, potentially causing short circuits or overheating at the socket contacts, increasing fire hazards. I've seen many car owners experience electrical failures because of this, even blown fuses, especially in older models where the cigarette lighter socket materials degrade faster. Additionally, if the cigarette lighter is connected to devices like chargers, the continuous load puts extra strain on the vehicle's electrical system, and not all car circuits can handle prolonged high current. I recommend developing the habit of unplugging it after use—safety first. This also extends the cigarette lighter's lifespan and avoids the hassle of unexpected roadside inspections, as driving safety is paramount. Also, depending on the car model, some cigarette lighters remain powered even after turning off the ignition, which can drain the battery more easily.
