Napping.Synth.Download@ShadowJonathan the Union should regulate also the hardware batteries and select/create a common port for 20V batteries, another one for 18V batteries, ... And not having one Bosch battery that has the same volts than your Einhell drill but can't be used because it doesn't fit in.
@bufalo1973 @ShadowJonathan while they're at it, they could also define whether a battery pack gets it's name from the cells nominal voltage or it's charge cutoff.
Then there's not even 18 and 20V packs anymore!