There are significant differences in charging power and speed between portable charging guns and charging stations. The charging power of most on-board chargers is 3.5kW, and the charging speed is relatively slow, taking about 8 to 9 hours to fully charge. The power of household charging stations is usually 7kW, with faster charging speed and taking about 4 hours to fully charge. However, the 7kW charging station is called fast charging, while the 3.5kW on-board charging belongs to slow charging.

For example, if you start using a 7kW charging station with 20% battery capacity, it can be fully charged in about 3 hours. If a 3.5kW on-board charger is used, the fully charged time will be much longer. So, if you often need fast charging, a home charging station is definitely a good choice.