1. First of all, you should know the output voltage of your car charger
The output voltage of cars is 12V and that of trucks is 24V. Most general on-board chargers (12V) are suitable for cars. If they are other models, they need to choose the corresponding voltage standard. Many car chargers can meet the 12v-24v standard, which is applicable to all models.
2. To understand the automatic protection function of car charger
Whether the on-board car charger has the functions of overvoltage, overcurrent, overheating and short circuit protection. The shell is preferably made of ABS flame-retardant environmental protection material, which can not only prevent external combustion, but also be beautiful without fingerprints.