ITEM NAME:4 Port USB Power Charging Board Module 9V/40V To 5VDC-DC Step-down Car Charging Descriptio n Description: Wiring method: Connect the positive voltage of the voltage from 7 to 38v to the input positive, the negative voltage to the negative of the lower icon, and the four USBs will have a stable 5v voltage. Plug your mobile phone data cable into the USB and use it. The output is convenient for those devices that do not have a USB cable, and is only for professional use. If you don't understand, you don't need to worry about this interface. Built-in Apple recognition resistor, Apple charging current is about 2.4a; Android phone is about 1a. Please use a good quality data cable. Near the terminal block, there is a diode ss54, which is an anti-reverse diode. Professionals can short-circuit it, and can change it to a fuse and toss it by itself. With Apple identification resistance, 47k+56k, 2.7v. Samsung's S5 mobile phone is currently the only incompatible mobile phone. If you have this mobile phone, please contact the owner. Or remove the R1 R2 R3 R4 four resistors yourself, crush them with pliers, and then turn the board into four Android phones. Specifications: Material: PCB Color: Picture Color Size: 40*48*17mm Output voltage: 5.08~5.18v USB voltage range: 4.75v~5.25v Package Included: 1 * 9V/40V to 5VDC-DC Step-down Car Charging Car Charger 5A Output Usb Step-down Power Supply Module Note: Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ 4 Port USB Power Charging Board Module 9V/40V To 5VDC-DC Step-down Car Charging.Professionals can short-circuit it, and can change it to a fuse and toss it by itself. Or remove the R1 R2 R3 R4 four resistors yourself, crush them with pliers, and then turn the board into four Android phones.
