The Ctek Polar is a unique charger featuring modern, advanced technology and special functions for charging in extreme cold. It has been designed for vehicles that require good battery maintenance during the cold winter months, such as snowmobiles, ATVs, off-road vehicles, and cars. The Ctek Polar includes a modified charging voltage function for optimal charging at extremely low temperatures. This function is available for both small (snowmobiles and ATVs) and standard-sized batteries (off-road vehicles and cars). Another unique feature is the reconditioning function, which restores deeply discharged batteries with acid stratification and is available for both small and standard-sized batteries. The Ctek Polar is equipped with extremely cold-resistant rubber cables (AC and DC to the battery) on both sides. With its advanced eight-step charging system, the charger analyzes whether the battery can accept and hold a charge. It operates fully automatically and switches to maintenance charging after the battery is fully charged – a significant advantage in cold conditions. The Ctek Polar also performs well in mild climates but is designed for charging between -30 °C and +50 °C.