Genuine OEM Volkswagen Battery Charger, part number 7LA915681B. This component is designed to charge the vehicle's battery, ensuring it remains at optimal power levels. It is located at position 1 in the provided diagram. The charger has dimensions of 0.26m in length, 0.222m in width, and 0.051m in height. Using a genuine OEM battery charger guarantees correct voltage and current delivery, protecting the battery from damage and ensuring reliable vehicle starting.