As mentioned in another thread ('03 V11 runs like crap), a weak battery on a V11 can be a source of frustration.   Recently, I obtained a proper EnerSys AGM charger (EnerSys™ Odyssey™ Ultimizer™ 6 amp OMAX--6A-1B) and have been investigating its capability compared to the menagerie of mismatched chargers I *thought* I could use effectively.   Turns out, the best I could achieve with my "typical" chargers was about 12.6 volts OCV. Which is only about 82% for the AGM.   With the dedicated AG