FAQ

Need answers? You’re in the right place. Browse our most frequently asked questions below or use the search box to find what you’re looking for.

Results for “DUO S”

Sport universe

See below for battery compatibility information for your headlamp model. DUO lineNAO lineSWIFT RL lineREACTIK line

See more Which rechargeable batteries are compatible with my headlamp?

Out of warranty, headbands are available as spare parts from all of our resellers: Standard replacement headband for TIKKINA®, TIKKA® and ACTIK® (2025

See more How to order a new headband?

Sport universe

Try carrying the lamp at waist level to reduce glare - this should improve visibility. What should I do if fog or mist interferes with the lamp in REA

See more How do I use my lamp in fog?

Sport universe

Before the trip, it is preferable to check the airline's rules, as well as local regulations for the destination country. Petzl recommends putting

See more How to travel by airplane with a headlamp?

All our headlamps are marked with their precise commercial designation. A date stamp with the month and year is engraved on Petzl headlamps: The date

See more How can I find out the model and age of my Petzl headlamp?

Pro universe

Unfortunately, Petzl does not authorize installation of a VIZEN protective shield onto a VERTEX helmet manufactured before 2011, as this shield was ne

See more Can I mount a VIZEN on a pre-2011 VERTEX helmet?

Sport universe

Do not use the lamp in REACTIVE LIGHTING mode when road biking: the lamp can dim significantly when exposed to automobile headlights.Warning, this lam

See more Can I use my lamp while road biking?

Don't see what you're looking for?

Fill out the form in our help center to tell us what’s going on — we’ll help you find the right fix.

Visit our help center