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What are the mistakes in choosing the 4 port usb car charger?

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Aaron    2018-1-3 9:28:59

Now the 4 port usb car charger is a great variety, but the fish and dragon are mixed. If youbuy a poor quality product, it is likely to burn the car fuse and the mobilephone. As a 4 port usb car charger engineer, it is necessary to tell you thatthe following 3 points should be paid attention to.

 

1.    Understanding the automatic protection functionof the 4 port usb car charger

The functionsof 4 port usb car charger are over voltage, overcurrent, overheating and shortcircuit protection. The shell is preferably made of ABS flame retardant andenvironmental protection material, which can prevent external combustion andbeautiful appearance, and touch hands without leaving fingerprints.

 

2.    Clear out the output voltage of your car'scigarette lighter

The output voltage of the car is 12V, and thetruck is 24V. Generally, the general purpose 4 port usb car charger (12V) issuitable for cars. If it is other cars, it needs to choose the correspondingvoltage standard.

3.    Pay attention to the voltage and current size

When buying a 4 port usb car charger, we shouldpay attention to the voltage and current of the supporting equipment, such asthe iPhone is 5V/1A, the tablet computer and the mobile power supply are 5v/2A.If the dual USB interface 4 port usb car charger is charged to mobile phonesand tablet computers at the same time, the total current of vehicle chargershould be at least 3A or more, otherwise the charging speed will not onlydecrease significantly, but also will overheat or even damage the device.