Cigarette Lighter
There are 3 common types of power-up for vehicles: the cigarette lighter socket, the power socket, and the car charger.
The voltage of the two sockets are both 12V, they can power the car recorder, car purifier and other devices, can also be connected to the inverter, to use small home appliances, but the difference is that the cigarette lighter socket can heat the electric wire of the cigarette lighter, the power socket can not do.
However, common electronic devices are powered by 5V, such as mobile phones, tablets, and laptops, so when powering them, the charging port needs to be converted to 5V USB, which is the car charger.
In addition, as an aid, a digital voltmeter can help to see if the voltage is in a safe range.
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USB Car Charger Socket Panel, 5V 1A & 2.1A 2Ports, With Waterproof LED Digital VoltmeterSKU: CCP-DH-15-0004Mfr Part #: CCP-DH-15-0004As low as $18.23 - $24.30
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Dual QC3.0 USB & PD Car Charger Black Shell Green LightSKU: CC-TP-54-GREENMfr Part #: CC-TP-54-GREENAs low as $17.71 - $25.30
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Single USB Car Charger With Green LED Digital VoltmeterSKU: CC-SP-10-GREEN-0002Mfr Part #: CC-SP-10-GREEN-0002As low as $11.46 - $17.10