The difference between the Bull car charger CUN180 and CUA180 is that their applicable charging interface is different. CUN180 is suitable for ordinary USB interface, can provide charging service for various devices such as mobile phones, tablets, etc. The CUA180 is suitable for the automobile cigarette lighter interface, which can provide charging for on-board equipment such as navigation devices and on-board cameras. Therefore, when choosing a charger, it is necessary to select the appropriate model according to the interface type of the required charging device.
2.4A and 3.0A refer to the maximum output current of the charger, that is, the load capacity of the charger, and 3.0 is stronger than 2.4.