I don't know how many time Ping battery will bear 125Amp (around 6C) !
Anyway I think the ESR capacitors bunch help a lot.
Very happy with automatic twilight switch. I forgot the horn, must fix this
Great bike, I see you are planning on building a trailer for it, maybe this link can give you some ideas for it.
http://www.evalbum.com/preview.php?vid=4312