Who wins?
20% vs 15%
15% wins 53% to 47%. 77 more put them in the same row. From Battery Percentages Tier List. Pick a side.
RandomDumpling46 on 20%: 20% lasts forever on an iPhone in low power mode, idk why people panic
SoggyPossum on 15%: low power mode makes 15 last a surprisingly long time
Battery Percentages Tier List: the full ranking