Quest2 battery module for Kuject Strap

I am not sure how useful this is as it only works with the specific strap I have. If you are interested in buying the same one, here is the link:https://www.amazon.ca/gp/product/B092VJKR3M/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 And the battery compartment is also tailor to my own, which is this one:https://www.tp-link.com/ca/home-networking/mobile-accessory/tl-pb15600/ I am very new to this hobby, so the model does not look that nice. However, it does survived a few beat sabre EX+ sessi