Bosch S4 for the reliable power supply of the continuously growing electronic consumers in cars. Each new generation of cars includes a larger number of electronic devices, especially in the areas of comfort and safety. Thanks to its energy reserves, it ensures a 15% higher starting power compared to conventional batteries – regardless of the season. Additionally, the self-discharge of the Bosch S4 battery is very low, ensuring a reliable start even after prolonged periods of inactivity.