Hadn't thought of the cold being an issue, as I'm riding in Portland, OR where the seasons are basically Wet and Dry. The daily temps are usually between 30's-60's from October through June here. Doesnt' seem to have effected the battery any. And, it may be a bright setup, but its certainly not the lightest! I like the cheap and easy availability of 12-volt accessories too. I bought a 2' LED brake strip and a set of "ground effect" LED tubing the other day for $20 total. Looking forward to getting them installed, particularly the ground effect lighting. May have to rig up that 12-volt blender that I saw in a marine store the other day.....