Battery Life - The OnePlus 6 Review: Among The Best Of 2018
Significant battery drain Oxygen 9.0.6
Oneplus 5 Battery drain problem
Fix OnePlus 6 Battery Drain Problems | TechBeasts
Serious battery drain while screen is off - data, location, and all background apps were closed while it was off, and I can't figure out what's draining the battery : r/oneplus
Sudden battery drain
Using an old OnePlus phone? Here's how to improve battery life and performance