Battery Head Strap Compatible with Meta Quest 3/3S/2, 20W Fast Rechargeable Battery Strap with Detachable Magnetic 10000mAh Pack, VR Elite Strap Accessories for Extended 2–4H Playtime

This is what I have been using for about a month now along with this: https://www.amazon.com/dp/B0GGQH7XSP?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1 https://www.amazon.com/dp/B0DL2ZQ67C?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_52 So far it has been working for me. You just got and already having issues..... It's taken me almost 2 years and counting to really find my spot but the discomfort didn't start until almost a year after getting. Best of luck!