Meta has temporarily stopped selling the Elite Strap with Battery due to a charging fault and explains to MIXED why it has to produce new accessories.
Quest 2 Elite Strap With Battery, Virtual Reality
Oculus Quest 2 Elite Battery Strap BROKEN
Use QUEST 2 Battery Strap (Broken or Not) with your QUEST 3
PECOOVR Charging Dock for Oculus Quest 2 (Support Elite Strap with Battery), VR Charging Stand for Meta Quest 2, Headset Holder and Controller Magnetic Charging Station with Rechargeable Batteries : Video Games
UPDATED! A Hands-On Review: Meta Quest 2 (256 GB Model, Elite Strap with Battery) – Ryan Schultz
Fixing the Two Biggest Problems with the Meta Quest 3
Quest 3 charge/ battery concerns : r/OculusQuest
Quest 3 headset and Elite battery strap charging issues and fire Hazard : r/OculusQuest
Oculus Delays Shipment of Quest 2 Elite Straps Amid Complaints of Premature Breakage
Use QUEST 2 Battery Strap (Broken or Not) with your QUEST 3