Recently, I put my fourth battery in the Sport at 'almost' 93,000 miles/ 150.000 km. In all fairness, I would probably be on my second, but I use the bikes' to step down batteries into my lawn and garden tractors as they require. Tractor battery plays up? Bike gets a new juicer.
The battery that just played up in "swampee" the Cub Cadet was nine years old and came out of the Sport 4 1/2 years ago.
The "new" PC545 came directly from Odyssey with a May 2014 manufacturi
As mentioned in another thread ('03 V11 runs like crap), a weak battery on a V11 can be a source of frustration. This is a recurring theme and can lead to a literal "wild goose chase" of various other issues when, really, the battery needs proper conditioning.
So, three things:
1) Don't let your AGM fall below 12.65 volts before "conditioning" it. (First, discharge with the lights on for a few minutes, then charge as in Step 3.)
2) Don't expect your V11's electrical