Is the charging speed slower if the mobile phone data cable is longer?

Nowadays, mobile phones occupy more and more people’s time. Work, leisure and entertainment are inseparable from mobile phones. Therefore, despite the current increasing capacity of mobile phone batteries, they still cannot meet people’s electricity needs. This involves the charging of mobile phones.

Different charging demand scenarios, people have different requirements for the length of the mobile phone data line. Is the data cable as short as possible? Will the longer the data cable charge slower? Today Mung Bean is here to chat with you all.

The mobile phone data cable transmits electric energy through the inner conductor copper core. According to middle school physics knowledge, conductors all contain resistance. In theory, the shorter the wire, the shorter the conductor, the smaller the resistance, and the smaller the loss due to heat during power transmission; on the contrary, the longer the mobile phone data line, the greater the loss. Then the charging speed becomes slower.

The original yuda mobile phone data cable uses tinned copper core technology, built-in aluminum foil + aluminum woven mesh multiple shielding, to ensure that the mobile phone charging and data transmission are not interfered. At the same time, for long data lines (1.5-3 meters), thicker copper conductors are used to ensure the minimum resistance of the mobile phone data lines. Under strict quality standards, even if it reaches a length of 3 meters, the charging speed is consistent with the short-term charging, and the charging will not slow down.

Take the MFi certified data cable as an example. According to Apple’s MFi certification requirements, the wire resistance is less than 100mΩ:

0.25-1.2 meters length, wire gauge 2.6mm

1.5-2 meters in length, wire gauge 3mm

The use of high-standard cores for long data lines ensures that the resistance of the iPhone data lines is smaller, thereby meeting the demand for faster charging of Apple products.

Actual comparison test: Charge the iPhone 7 with an MFi-certified data cable, and charge the iPhone 7 with other non-MFi data on the market. The charging efficiency is increased by more than 25%.

The charging speed of the mobile phone is determined by the interaction of many factors, such as the output power of the mobile phone data cable, USB charger and power bank, and even the environmental factors in which the charging is located. When choosing a mobile phone data cable, you should try to choose a brand with excellent quality. Even a long mobile phone data cable will not slow down the charging speed.