New to Petzl ?
Watertightness and IP rating
How does my lamp perform with 3 AAA/LR03 batteries?
Hybrid CONCEPT: Choose your energy source!
How is Petzl lighting performance measured?
Is the CORE rechargeable battery compatible with my Petzl headlamp?
Brightness or burn time, a question of balance
Which energy source for which use?
Non-rechargeable energy sources
Rechargeable energy sources
Development and testing
Information on LED lighting