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Using USB Chargers Safely

Edit: Shenzhen Keyuantai Industry Co.,Ltd      Date:Jun 19, 2017

Using USB Chargers Safely

There was a time when every device seemed to come with its own unique charger. Remembering to pack the right charging cable was a must if you wanted to continue using your device whilst away from home. However, the Micro USB has combatted the industry’s use of custom ports and now charging your phone on-the-go is no longer a problem with the standardised connector.

There are many different important elements you should be aware of when it comes to USBs. We’ve covered all you need to know about USBs and answered some of the most frequently asked questions. In this article we will cover:

About us

We are the factory and manufacturer of the usb charger, car charger, QC3.0 usb wall charger/QC3.0 car charger, power adapter and bluetooth speaker. 

Bellow is our QC3.0 dual port quick wall charger specifications:

Input: 120-240V AC 50/60 hz

Output: one normal port 5V 1A+ one QC3.0 port; 3.6-6V 3A/6-9V 2A/9-12V 1.5A

Certificate: CE,Rohs,FCC, qualcomm


Contact us freely:

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Our Service

Keyuantai guaranty products against defects are found to be defective under normal use within 1 year will be repaired without charge. If assume defects can’t be repaired will be replaced without charge within 1 year.


Contact Us

Address:2/3 Floor Building C, HongFa Industrial Park, HongWan 3rd Area, GuShu, Bao An District ShenZhen

Tel: +86-755-2372-9169

Fax: +86-755-23729189


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Shenzhen Keyuantai Industry Co.,Ltd