Sure, but - all in all - it is not that the batteries will make a difference, if you have to change them - say - once every 1 to 5 years. Comparable "normal" e

Sure, but - all in all - it is not that the batteries will make a difference, if you have to change them - say - once every 1 to 5 years. Comparable "normal" e-ink labels cost much less than these (like 50-60%) AFAIK.