In lieu of starting from scratch, I took a SF 6P body and bored it out as well as modified
the front end to provide a host for an 18650 battery, in this case a Valence Saphion, which
will mate to E series heads.
The PR head above as well as the proto Aleph 1 head below both have sample "Next Gen"
boost drivers from Wayne Yamaguchi. The Saphion 18650 cell drives these heads well
from all indications.
The same ES light engine was taken from the Aleph1 and transfered into the proto Aleph3
head below: