I won't be much help but have a little input. We don't get much zero temps here but do have a lot of 20s and 30s farenhneit temps. I just keep the battery indoors until ready to go. I know that I'll be able to go as far as I need to go before the battery starts cooling down significantly. But in zero or below weather, I'm sure it's another story. I'd just make some test runs and see how long or far I could go. I guess a person could make some insulating blanket type wraps and wrap around the outside of the battery case, maybe with some handwarmer packs in it. Would probably be a real pain though.