This 13.2 volt battery can either be held in your pocket or mounted to your frame.  Compatible with Niterider's Firestorm, Rage, and Classic Plus lightsets.

The 6-volt digital battery from Niterider is compatible with their Evolution lightset.

The Toad is Knog's handlebar mounted light.  It features 5 white LEDs so drivers can be sure to see you out on the road.  There are two modes, steady and flashing.

The Bullfrog from Knog comes in either red or white.  5 bright LED lights give you visibility on the road.

This taillight from Fi'zi:k works with any ICS (Integrated Chip System) compatible Fi'zi:k saddle.  Two super bright red LEDs make sure you'll be seen out on the road at night.  The light is watertight and comes with a replaceable battery.

The Shell from Topeak features three bright red LEDs to give you extra visibility at night.  It includes a seatpost clamp and can also attach to Topeak saddle bags.

 

Weight: 60 g

The WhiteLite from Topeak features three powerful white LEDs.  It can be switched from steady to flash mode depending on your lighting conditions to give you roughly 60 hours of burn time.  And the best part: it weighs only 35 grams.