The
Gemini 4 Cell Battery is the most versatile of the lineup. Offering the ability to mount to a helmet, headstrap, or to your bicycle, the
4 Cell Battery gives the ultimate in flexibility no matter where your adventure may take you. The rechargeable Lithium Ion Cells use a built in voltage regulator to ensure your battery functions safely under normal use.
Gemini seals the
4 Cell Battery and circuitry inside a durable hard case that is completely weatherproof.
- Mounts anywhere, including the head strap
- Lightweight, versatile design
- Li-Ion Samsung cells
- Weatherproof
The
4 Cell Gemini Battery can stretch to a jersey pocket or hydration bag with the use of the
Gemini Extension Cable.