This fast bicycle battery charger is specially designed for charging Bosch Li-Ion batteries. With a charging speed of 6 amps per hour, this charger ensures that your 12AH battery is fully charged in just 2 hours. The charger automatically switches off when the maximum charge capacity is reached, ensuring a safe and efficient charging process. In addition, this charger has a smart function that ensures your battery remains in optimal condition. When the battery reaches 75%, the charger will automatically switch to trickle charging to maintain the battery's condition. With this fast bicycle battery charger, you are assured of reliable and fast charging for your Bosch Li-Ion batteries. Product Specifications: - Charging speed: 6 amps per hour - Suitable for Bosch Li-Ion batteries - Automatic switch-off at maximum charge capacity - Smart function for trickle charging and battery condition monitoring - Compact and user-friendly design