A new listing on the Thailand National Broadcast and Telecommunication Commission's (NBTC) website confirms the existence of the Moto G8 Power Lite. While specifications are still unknown, the handset (which was previously thought to be the Moto Z5) finally has an official name.
https://www.notebookcheck.net/Moto-G8-Power-Lite-pops-up-on-Thailand-NBTC-website-confirming-name.454093.0.html