The beginning of the video and the thumbnail was nice which made me open the video but the promotion of the case, protecter etc made me exit from the video... Try to make the ads to the tail to get more views jst a suggestion.
Bro try charging not more than 90-95% and charge dropping less than 20%. It may not be consistent with your policy of using the phone to its limits, but that will keep the battery health at 100% for more than a year. I heard about it after my battery went to 90% . Try that