The NOCO Genius G3500 is the best car battery charger for cold weather, according to Car Battery Chargers Central. Other top models include the Schumacher ProSeries PS-1562A and the NOCO Genius G1100.
The NOCO Genius G3500 is a powerful, affordable battery charger and maintainer that excels in cold conditions. It works on 6- and 12-volt batteries and features spark-proof connectors. In addition to car and truck batteries, the NOCO Genius G3500 charges boats, motorcycles, snowmobiles and all-terrain vehicles. It offers two charging speeds and has automatic reverse polarity detection. Other advanced features include short-circuit detection, overcharge avoidance and overheating protection.