Starlink Mini alternate power setup

This is how I power my Starlink Mini using a Dewalt tool battery
Cable:
www.amazon.com/gp/aw/d/B0CN4HFY5B?psc=1&ref=ppx_pop_mob_b_asin_title
Battery Adapter:
www.amazon.com/gp/aw/d/B0B4FS1NV1?psc=1&ref=ppx_pop_mob_b_asin_title