I'm trying to find a budget (under $20.00 if possible) P60 drop-in to run on 2xcr123 primaries. I have been reading for the past two days and am just kind of lost. You got your single mode, 3 mode, 5 mode, P4's, R2's, R5's. I'm lost I tell ya, just lost.
For 2xcr123 primaries, what voltages...