Free Headlamp Battery 2.0Ah (14.4Wh) popular-2026-05-24 The 20D siliconised nylon shell

The 20D siliconised nylon shell carries a 5000mm hydrostatic-head rating

That’s what led to Oakley Fuel Cell™

They are equally useful for local trails

bandages and smaller items are easier to locate when needed

Free Headlamp Battery 2.0Ah (14.4Wh) popular-2026-05-24 The 20D siliconised nylon shellFree Headlamp Battery 14. 4 Wh is a compact and rechargeable battery. This mini size and water resistant battery fits headlamps within the Free series. Our Free series is made for flexible use regardless of model. You can easily move the lamp unit from the headband and instead attach it to you helmet or a handlebar. The more light (higher lumen) you want the more powerful battery you need to bring with you. If you want to use your headlamp for shorter