Originally Posted by
shadghost
I see lots of good lights here, i just have one problum, i bike at -20 to -40 below zero, so my battories in my current light dies before i get to my destanation, so i was wondering how theses do in cold weather, and how easy it would be to rigg a external battory pac (i am getting a new one, as my current one is dim, and from what i see, i think i can make one with drilling into the body and wireing it, hooking up my battory pac with a hedphone jack)
thanks in advance
What kind of batteries are you using? I've found that li-ion bats do well in the cold, and for ni-mh low self discharge bats such as the Eneloop have an edge over regular ones. That being said, I've found that li-ion is better.