I don’t know about other brands, but a BMW tracks the aging of the battery for features such as turning off accessories/lights to ensure you still have 2 or so cranks of energy left. This also seems to make the car stretch out the battery life almost to a fault. In the trunk, the positive terminal isn’t just a terminal, it has a current sensor built in so the car can measure not just voltage like most autos.

So the battery “registration” resets this adaptation, just like you’re supposed to reset the adaptation on a UPS when you change the batteries. Needing an OBD tool is slightly annoying, but does not feel like a vendor-locking scenario.