For sale are U-bin SSC modules made for Surefire Turboheads. These will fit the M3T, M4, M6 and KT heads without any modifications.
6. 917mA, 4-16V input $140 *SOLD*
Note about batteries:
4-15/16V means that you can use 2~4 primary cells or 1~3 Li-ion rechargeable cells in series-YC