Because the battery pack is under the center console, you will guide the dash cam power cable along the headliner, down the passenger side A-pillar, and across the floor to the battery pack. You can easily hide the power cable by tucking it into the headliner using the pry tool or a credit card. The BlackVue DR900X-2CH Plus has some cable clips that you can stick to your trim or windshield to help keep the cables in place.
Take your time when popping open the A-pillar - it's pretty straightforward but requires patience as you do not want to break any of the clips holding it. Once the A-pillar cover is removed, you can route the cable behind the airbag apparatus, or else your wire will be in the way, which could lead to a dangerous result if the bags go off.
Route the power wire down to the bottom of the dash and then through the dash to the center console and straight to the BlackVue B-130X battery pack. Extra cabling can be tucked in the voids in the center console section.