http://imgur.com/a/p7lgQ/embed
VP2 teardown
A few things I wish the VP2 had (I want my cake and I want to eat it too)
1) a .1a and a 2a charging option
2) better arrangement of what the button presses do. (if you want to go from .25a to 1.0a, you have to push, wait, push, otherwise it will just show the charging voltage)