You can innovate in batteries while standardizing on form factor. I very much don't want to have to buy ten different batteries for devices and have none of th

You can innovate in batteries while standardizing on form factor. I very much don't want to have to buy ten different batteries for devices and have none of them work with each other. AAA, AA, C, D, 9V... these are all very much handy to have. You can find them with Alkaline, NiCad, NiMH, Li-ion, and the only thing is whether you can, and if so then how often, you can recharge them