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In summary, when you buy electric car air pumps (car tire inflator)for yourself or for others, don’t believe that the higher the power, the better, because the current will be very large and very unsafe.
You only need to understand a few common sense of cars.
1. The rated voltage of a general car is 12V, which is the same in the whole world.
2. The rated current of a car fuse is 10A. If the fuse exceeds 10A, the fuse will burn out.
3. The tire pressure of general household cars is 2.5Kg, SUV and off-road vehicles will be larger, but will not exceed 4Kg. Therefore, when inflating the tire, it is best to inflate according to the basic parameters on the tire. It is not safe to be too full and too little.
4. In the process of inflating the tire, the current will increase with the increase of tire pressure.
5. According to 1 and 2, there is power = voltage X current, we can know that the maximum power of the air pump should not exceed 120W, more than 120W, because the voltage is constant, then the sacrifice will be the current, the current will exceed 10A, Then the car fuse will burn out.
At present, the price of car air pump (cordless air pump) is high and low, and the quality is of course good or bad, but in the end, we will choose to be more safe and durable. Generally speaking, as a car owner, it is inevitable to go out for self-driving tour, and occasionally encounter it while driving When the tires are flat, it will affect driving safety. Finding a trailer is time-consuming, labor-intensive and costly, so a portable air pump came into being.So, what kind of smart air pump is safe and reliable?
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