PSA: It is pretty easy to attach a battery to the elite strap : r/ OculusQuest
DESTEK 5000 mAh Elite Strap with Battery for Meta/Oculus Quest 2, Oculus Quest 2 Elite Head Strap with Battery Adjustable Head Strap Accessories
Q2 Adjustable Head Strap with 5200 mAh Battery Pack for Oculus Quest 2,Replacement for Elite Strap Reduce Pressure Enhanced Support and Comfort in VR,White - Walmart.com
Oculus's Warranty and Broken Elite/Battery Straps... : r/OculusQuest
ffaOculus Quest 2 Elite Strap with battery is practically a must-have VR accessory - CNET
Counterweight Battery Clip V2 - For Oculus Quest 2 Elite Strap (See Comments) : r/OculusQuest
Amazon.com: Elite Head Strap for Oculus Quest 2 Gaming Accessories with Battery Pack Bracket Enhanced Comfort and Extend Playtime Adjustable Straps by X-super Home : Video Games
Dyfrio Head Strap with Battery Pack Compatible for Oculus Quest 2 Elite Strap Battery Pack, Battery Holder Clips Headband Enhanced Support and Reduce Head Pressure in VR (Black) | Walmart Canada