Thread: A novel idea to fix the USB port
View Single Post
Fallingwater is offline Fallingwater
2012-08-28 , 17:19
Posts: 80 | Thanked: 79 times | Joined on May 2012 @ Northern Italy
#19
Originally Posted by independent View Post
Just a little aside. I measured my Nokia AC-10u 1.2A charger. Slit open the cable--stuck a Fluke meter in between. My charger maxed out at 650mA. I just had a feeling it wasn't actually charging a li-ion battery at or near 1C almost exactly 0.5C. I made sure my battery was well discharged before I measured.

Hmm...
Are you sure the multimeter isn't adding resistance? Best way to measure this would be to gut a USB cable, short the data pins, connect the power ones to a laboratory power supply set to 5V and see what the current meter says.
I might do that if I can muster up enough willpower to start tearing apart USB cables again.
 

The Following User Says Thank You to Fallingwater For This Useful Post: