Yes the device will lock current at what ever setting you input. http://www.ebay.com/itm/Digital-controlled-Constant-Current-Voltage-LED-Drive...
is where I got the device from.You can set current from 0 to 1 amp (1,000 milliamps)Don't know about Faraday Caculator perhaps you could enlighten me on that.I have a link on youtube under "show more" on the bottom of the video.