By following this 2021 repair guide, you’ve not only saved money (a comparable new Petzl NAO costs $300+) but also kept a perfectly functional tool out of a landfill. The flicker is gone. The boost mode hits hard. And when you turn it on at the cave mouth or the trailhead, it shines with a second life.
Discontinued by Petzl in 2009 (and replaced by the now-also-discontinued Myo RXP and later the NAO series), the Myo XP remains a cult classic. Many users in 2021 refuse to retire it because of its robust build, reactive lighting precursor technology, and the simple fact that modern headlamps with equivalent power cost serious money. petzl myo xp repair 2021
By Gear Repair Expert | Updated for 2021 By following this 2021 repair guide, you’ve not
| Part | 2021 Source | Estimated Cost | |------|-------------|----------------| | Silicone wire | Amazon / Adafruit | $5 for 10ft | | Cree XP-G2 LED | Mouser / Digi-Key / LEDSupply | $6-$8 | | 10mm star board | Mountain Electronics | $2 | | Rotary switch (Bourns) | Mouser #652-PEC11R-4215F | $3.50 | | Hinge STL file | Thingiverse #4321515 | Free | | Battery springs | McMaster-Carr (part 9654K35) | $4 for 5 | And when you turn it on at the
It is a familiar, frustrating moment for any dedicated caver, climber, or night trail runner. You reach for your trusty —a workhorse that has lit thousands of vertical meters and deep cave passages—flick the switch, and nothing happens. Or worse, it flickers pathetically before succumbing to darkness.
Cree XP-G2 on 10mm star board (3V, 350-700mA). This will give you ~200 lumens on Boost mode without changing drivers.
Drop a comment below. And if you found this guide useful, share it with the climbing or caving forum of your choice – our old gear deserves it. Article last updated: July 2021. Covers all known repair procedures for the Petzl Myo XP and Myo XP Belt.