If exact same battery does not need to be registered.
registering just optimizes charging and "prolongs" battery health and life.
Will not cause parasitic drain.
I have a lithium battery and still have not registered it.... lol
Ignore Razor and others Spl warnings at your own peril. I have not heard of a track used Supra w SPL that has NOT had issues. And that includes several friends that I have seen the failures in person
If you have SPL and no issues- you do not track
If you are a vendor that recommends SPL I...