Key Features: ✔ Battery Cells: 1 x 21700 cells.✔ Capacity: 3.6V, 5,000mAh.✔ USB-C Rechargeable.✔ USB-C Input: 5V/2A.✔ Compatibility: ALLTY 1500S. 3.6V 5000mAh capacity battery pack for ALLTY 1500S bike light, with USB-C charging port. It can be charged independently or with the headlight.
