This extends runtime to 6 hours on 4 watt high beam and 24 hours on 1 watt low beam or 4 watt flash mode.

The VisionStick battery can be mounted to a bike with the double battery bracket (on a bottle cage mount).

An expanding power lead stretches to 1.6m allowing for a variety of battery locations and light positions.

This lead also makes it possible to fit the LED head unit to the helmet mount bracket.