POWER & CONNECTOR COMPATIBILITY WARNING This ebike light kit requires 24V-48V 5W to operate. Many eBikes provide only 6V 3W or less to their light port. If your bike's output is below 5W, this light will not turn on. E-bike light connectors are NOT universal. This product power input comes with a white Male XH2.54 connector .You must check the plug type on your bike's light wiring harness. Mismatched connectors will require cutting and splicing wires.