What is the optimal amperage for a car charger?

[ReeseRose]

Among common car chargers, a 2.4A model is generally recommended. Normally, higher amperage car chargers are safer, with 2.4A, 4.2A and 4.8A being the most suitable options. A 2.4A car charger is basically compatible with all vehicle components while maintaining current within safe parameters, eliminating major safety concerns. In contrast, the 4.8A charger's current output is excessive for devices like smartphones, tablets, or navigation systems, potentially damaging internal electronic components and even affecting the cigarette lighter or battery. Instructions for using car chargers: Power is drawn from the cigarette lighter socket. When using, remove the cigarette lighter and insert the car charger into the socket. When you hear a click or clearly feel the limit switch's tension spring engage, this indicates the car charger is properly installed. At this point, you can charge your phone via the charger's USB port or power other in-vehicle devices.