The Powercell works fine with just 3V. Why not just hook it all up and check, before you attach it all to the shell / motherboard?
GB2 Stantz/Sony Lobby Build =========> http://www.gbfans.com/community/viewtop ... =2&t=38478
GB Hero Build=========> viewtopic.php?f=2&t=40702
The hook with Matty wand unscrews, you can buy a v[…]