Since Petzl no longer supports the Myo XP, many 2021 owners are converting theirs to run on a 14500 lithium battery (AA size) or a small USB power bank.
The Myo XP headband attaches via two plastic clips. In 2021, the original Petzl band is no longer sold. Here is the workaround: petzl myo xp repair 2021
Before you consider replacing it, use this guide to diagnose and potentially repair your headlamp. 1. Common Symptoms & Quick Checks Since Petzl no longer supports the Myo XP,
Lubrication tips. Use a climbing gear-specific lubricant. Avoid over-lubricating, which can attract dirt. Apply to moving parts but not the braking surfaces. petzl myo xp repair 2021