Imon
Enlightened
I stay away from unprotected cells. Its a rechargable battery, so I am not too worried about a little more runtime, its not worth the risk.
I always thought the red IMRs were safer than the ICRs... at least in terms of
As for the IMRs being unprotected, I wouldn't really worry about that with HDS lights since they prevent over-discharge in Li-ion cells.