There was a guy over on the Kustom F6B Facebook page that took a different route. If I remember correctly he had a workaround in case of battery failure. I think his name was Kenneth Raby and he posted a video
Yes, his levers still work!
However, if you have the Smuggler trunk, the levers be gone!
My girls: Isleen - 2014 F6BD Saorla - 1995 FLSTN Heritage Special
"Politeness, n: The most acceptable hypocrisy." Ambrose Bierce