Note: This battery is currently not available for direct purchase. If you would like to buy one, please contact our customer service team for assistance. Description: The quick removable modular battery lets you able to charge the battery pack on or off the frame. Also, the battery of the Heybike e-bike is set up with a key to keep your battery safe. Features: 1. Built-in charge level indicator 2. Voltage: 48V 3. Current: 15 Ah 4.Total Capacity: 2500 mah