Battery pack for self-installation Voltage: 48 volts Capacity: freely selectable! System: Li-ion made up of: 39x 18650 cells [approx. 18 x 65 mm per cell] suitable for: eBike, BionX 4070-A12061082 / 3684-C11209392 / 13S3P 01-3684 / 7419 / F057124 - 48 Volt Li-Ion battery