Which battery is better for extremely cold weather: 18650 lithium-ion batteries or CR123A lithium batteries?Updated 2 hours ago
CR123A batteries generally perform better in extreme cold (and extreme heat) than 18650 lithium-ion batteries. 18650 batteries will still work in a range of about -4°F to 140°F, while CR123A batteries can typically operate from about -40°F to 158°F.