I really like this little Asus 10.000 mAh PowerBank. It has PD, passthrough, 186 grams and it fits perfectly into BeswinVR batt. holder (BoboVr M2 strap). : r/OculusQuest
Asus Black Zenpower Quick Charge 10000 mAh | A-Accessories
Amazon.com: Asus ZenPower : Electronics
ASUS] ZenPower 10000 Quick Charge 3.0 Power Bank - Shop asus-enjoy Chargers & Cables - Pinkoi
Asus ZenPower 10000 PD External Battery Blue : Amazon.co.uk: Computers & Accessories
ASUS Zenpower White 10,000mAh External Battery 192876744185 | eBay
ASUS Zenpower Quick Charge 3.0 Black 10000mAh 192876322253 | eBay
ZenPower 10000 Quick Charge 3.0 - Tech Specs|Power Banks|ASUS Global