Apple does not specify the exact battery capacity for the iPhone 13 mini, but teardowns have revealed that the iPhone 13 mini sports a 2,406mAh battery, a nifty upgrade over the 2,227mAh cell on the 12 Mini.
There was a time, not so long ago, when all iPhones were small.
They have nearly identical dimensions and the same flat sides, with only two relatively modest differences being apparent.