Why is charging time slower than normal charger when charging with usb?

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Why does it take longer than a regular charger when charging with USB?

They're both connected to power and charged.

I don't know if it doesn't work, so I'm wondering why it's getting slow.

136 6 7 years ago

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pu1. It's because the charger has more current

2017-11-29

pu2. The charger has a lot of current, so it can supply about 1A or 2A of current... However, USB does not supply such a high current because it is originally for communication purposes, not for charging purposes

2017-11-29

pu3. USB was designed to operate while providing data transmission for purpose plus light power, not to use it for charging mobile phones that requirement as now. It may be possible to increase the charge even now, but it is not possible to increase the amount of current because over current may flow to previously developed USB products. We could develop a completely different standard of ports

2017-11-29

pu4. Thank you for letting me know

2017-11-29

pu5. That's why a completely different usb-c type came out lol

2017-11-29

pu6. I see. Thank you!

2017-11-29

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