You can't. Under normal circumstances, the interface of the car vacuum cleaner and the charging head is different, so the charging head cannot be directly modified. If you need to use the car charger to charge the car vacuum cleaner, it is recommended to buy the original car charger or general car charger for your model, so as to ensure the safety and stability of charging. At the same time, when using the car charger to charge, it is also necessary to pay attention not to overcharge or charge for a long time, so as not to cause damage to the battery.
The car vacuum cleaner can not be changed to the charging head, because of the power problem. If you change it, you burn it