Should I use 12V or 24V to charge my car?

1 Answers
SimonRose
07/29/25 7:30pm
Generally speaking, ordinary gasoline cars use 12V, most gasoline vehicles are 12V, while diesel vehicles, trucks, buses and other large vehicles are 24V. Ordinary small diesel vehicles, such as SUVs, sedans, and off-road vehicles, mostly use 12V. Extended content, methods to protect the battery are as follows: 1. Lock the vehicle after turning off the engine: After the car is turned off, promptly turn off lights, audio, and other electrical appliances. For keyless entry and start vehicles, it is also necessary to lock the car to put it into sleep mode to prevent battery drain. 2. Turn off the air conditioning when shutting down: Develop the good habit of turning off the air conditioning when shutting down. Compared to the car's lights, audio, cigarette lighter, and other power-consuming devices, the air conditioning consumes a significant amount of electricity, especially in winter and summer when it is most frequently used. However, many drivers have the bad habit of not turning off the air conditioning when shutting down. If this happens, the air conditioning will automatically start running the next time the car is started, which will result in a high instantaneous power load on the car. 3. Regular inspection and timely charging: If the car is parked for a long time, the negative terminal of the battery should be disconnected. Because for cars that are not used for a long time, the battery's charge will slowly decrease. If the car is needed suddenly, it may cause difficulty in starting the car. Additionally, even if the car is left unused for a long time with the battery disconnected, if the car is used infrequently, it is still necessary to take the car out for a drive every once in a while, or regularly inspect the battery. If the charge is insufficient, charge it in time to keep the battery in a full state, thereby extending the battery's service life.
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