> I have never seen individual cells being removable Sure you have. Any device with removable single-cell 'batteries' has removable cells. > Imagine the incre

> I have never seen individual cells being removable Sure you have. Any device with removable single-cell 'batteries' has removable cells. > Imagine the increased complexity/cost and decreased reliability if each of the 6 cells in a standard car batter was individually replaceable. Car batteries are already removable and replaceable, and come in standard sizes, which is precisely the point.