Gemini 2-Cell Battery Pack
This Gemini 2-cell battery pack can be used with the Gemini Titan or Gemini Xera LED light. The addition of this battery pack will allow you to run the lights in "high" mode for up to 2 hours. With the included velcro strap you can mount this battery to your helmet or to you bike. The battery pack is built with the highest grade lithium-ion battery cells produced by Samsung.
Gemini batteries come with an on board coefficient thermistor to detect high temperatures. As a safety feature the power is shut off if temperatures ever get too high.