We are still working with the Nevro people. It was slow going at first. We did not really make a lot of progress until I got some understanding of how the adjustments work. I do not know about Medtronics.

The Nevro the program numbers are the adjustment for the vertebrae level, Then there is an adjustment up and down for the amplitude which is the power level like a stereo volume, then the 3rd adjustment is the pulse rate. On ours it is on 14%, 25% or 100% of the time.

I then made a spreadsheet containing all the adjustments made and the correlating pain levels and such to be able to see what worked the best.

We can call or email our tech anytime to get help. As far as changing level daily my understanding is that it takes 24-36 hours to wash the old settings out and the same for the new settings to take effect. So changing often probably doesn't do much. We tried each new setting for 3-4 days to test it.

I don't know about battery life. My wife is on 100% pulse and is charging every other day.