Both the LG V20 and V30 are excellent phones. If you want the best hardware and software, the V30 is an excellent choice. If you want more features and a better screen, go with the V20.
The Moto Z Force Droid Edition is a very solid flagship phone that has a killer feature — an open ecosystem of modular add-ons that adds real functionality to an already premium smartphone.
If you only use Micro USB, it’s going to be tough to find a portable battery pack that’s as well built or simpler to use than the mophie powerstation x3.