Petzl issued a specific warning against using AA Lithium batteries in the
Today's headlamps are vastly more powerful, efficient, and reliable. Models from brands like Black Diamond, Fenix, and Alpkit offer superior regulation, longer runtimes, and better durability for less than the cost of a comparable Petzl a few years ago. In many cases, the money and time invested in fixing a Myo XP are better put toward a modern replacement.
Desolder the two main power wires from the LED board, noting which terminal is positive and which is negative. Step 3: Replace or Shorten the Cable petzl myo xp repair 2021
While modern headlamps offer higher lumen counts, the Myo XP’s build quality and external battery pack (on some models) make it worth repairing. "Needless to say that I'm an inveterate fixer... the Petzl MYO RXP Go to product viewer dialog for this item.
: Double-check that your solder joints are clean, shiny, and not touching each other (which causes a short circuit). Step 5: Recreate Strain Relief and Weatherproofing Petzl issued a specific warning against using AA
Cut approximately 1 inch (2.5–3cm) off the cable to remove the damaged "kink" section. Strip the wires and solder them back onto the original circuit board pads. Reinforce:
A popular 2021+ mod: Remove the battery contacts, solder a (with protection) to a 14500 Li-ion cell and a dummy cell. This bypasses all original power circuitry issues and gives you rechargeable lighting. Desolder the two main power wires from the
The cable often breaks internally where it enters the lamp housing due to constant tilting.
The most popular upgrade is to replace the original LED with a or a Cree XP-G , which are known to be a compatible fit in the Myo XP's optical system. The process involves:
A: A weak beam is often a sign of a poor electrical connection. Check that your batteries are fresh and that the contacts inside the battery compartment are clean and not corroded. It could also be a partially broken cable that is not providing full power to the LED.