Dec 13, 2012 #1 C crankshaft03 Newly Enlightened Joined Jun 15, 2010 Messages 1 Olight M21 Warrior put the battery in backwards UltraFire blue 18650, the light did not like it, real dim, my mastake. any help Please ?
Olight M21 Warrior put the battery in backwards UltraFire blue 18650, the light did not like it, real dim, my mastake. any help Please ?
Dec 13, 2012 #2 C cyclesport Enlightened Joined Feb 14, 2012 Messages 676 I seem to remember Olight's M series has reverse battery protection...if so, and it's still within warranty, try exchanging or returning it.
I seem to remember Olight's M series has reverse battery protection...if so, and it's still within warranty, try exchanging or returning it.