Ideal for helmet and head strap use.
Designed to be compact and lightweight, the 2-Cell Battery is ideally suited on your helmet or head strap at just 122g.
Use the velcro straps provided to securely mount the 2-Cell Battery to your bike frame, helmet or head strap.
Rechargeable lithium-ion battery cells.
Rechargeable lithium-ion batteries are both greener for the environment and better for your wallet.
High capacity lithium-ion cells from Samsung ensure maximum power and leading-edge capacity so you can go harder for longer.
Sealed within its hard-case shell, the circuitry and cells are protected from the harsh elements. The 2-Cell Battery is 100% protected from water ingress and is completely weatherproof. Rain or shine, this battery will give you the power you need.