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USB charger is putting out 5.24 volts any Danger??

OP rpaloalto

31st January 2014, 08:56 PM   |  #1  
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So I just bought a anker usb car charger. To replace a $2 deal extreme cheap charger that I did not trust for charging expensive devices.

I just took a reading off the anker charger, and it is putting out 5.24 volts with and with out a load.

All my other chargers wallwarts and car chargers put out 4.8 - 5.08v.
Any idea if 5.2v+ is a little too much for a device that only wants 5.0v??
2nd February 2014, 12:59 PM   |  #2  
TerryHaze's Avatar
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No it's fine, just don't forget to unplug your device after charging is completed.
2nd February 2014, 10:27 PM   |  #3  
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This is not too much. Most of modern 5V devices are supposed to support charging over USB.
For example, according to USB wiki page: "The specification provides for no more than 5.25 V and no less than 4.75 V (5 V 5%)"
So your charger even meets USB requirements .
In fact usually the charging process is controlled internally by the device, so this internal controller will limit the charging current and stop charging if needed.
12th February 2014, 08:16 PM   |  #4  
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don't worry, during charging the tension will drop to 5v
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