How to Use a Car's 12V Power Supply?
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If the car breaks down while driving at night, the power supply in the trunk can be connected to a 12V light for illumination and can also serve as an emergency power source for repairs. The 12V power supply in the trunk has many other uses, such as connecting to an inverter to convert it into a 220V power supply, powering additional audio equipment, or running a car refrigerator. More related information is as follows: An air pump is one of the essential pieces of equipment for outdoor enthusiasts. If a tire goes flat on the road, after using a quick tire repair strip to patch it, you can connect an air pump to this power supply. If you plan to camp outdoors at night, an air mattress is indispensable. While you can inflate the mattress by mouth, the efficiency is nowhere near that of an air pump.