July 17, 2019Insufficient power supplyThis is common when the iPhone connects to a computer's USB 2.0 interface. The maximum output current of computer USB 2.0 interface is only 0.5A, even in most cases it is very...view
July 17, 2019Now the popularity of smart phones makes USB interface widely used. Many digital devices use a unified USB interface as the interface to connect chargers. In order to realize charging only with usb mo...view
July 17, 2019At present, there are a large number of devices, including smart phones, tablet computers, even traffic recorders, GPS satellite navigation, etc. It transmits power through the USB interface. Extended...view