[saidinesh5]

I think the comment is responding to the fears of..

"My most charitable view is that Google have found a major fault with the Pixel 4a battery and want to mitigate a repeat of the Galaxy Note 7 without saying it outright and causing a panic."

These lithium batteries usually last longer when you don't fully discharge them and fully charge them regularly. 20-80%. No idea why manufacturers don't just call that range as 0-100%.