Optima battery??..

Try it. I'll watch from a distance. Always like a good fireworks show.. :D

Resting battery voltage will rarely be 13+ volts unless it's a flooded battery that is warm. The voltage potential of various metals has a very specific limit. Lead-acid batteries produce 2.05 volts per cell, or 12.3v resting voltage for 6 cells in series.

I'm glad you started this thread though, next time I need a good battery I'll be buying an Odyssey - hope they make compatible batteries for my motorcycles too.
This is my first optima battery and who knows it could be my last. I'm pretty well-known on this sight for learning my lessons the hard way... I do try and ask first being that's what the forum is for and as you can see I've gotten mixed reviews...
I called optima tech line this morning and they said it should be 13 to 13.2... they also said although it's not recommended it shouldn't hurt the battery to use a regular charger as long as it's under 10 amps when I asked about putting mine on the 2 amp setting..
Soooo... I called Summit customer service to confirm that it is okay to use hey non recommended charger as they're the ones who were going to end up having to warranty this if anything's wrong. Of course I get one of a hundred customer service people that's an old codger that pretty much wants to standoff with me about it. so I take another half hour and call again and get a nice person who's at least going to call optima and get that approved so if this can't hold a 13 volt charge I can send it back.. the first guy wants me to put it in my car and run it and let my alternator charge it. I said I did not buy a 265 dollar battery to run down and abused my alternator trying to charge it...
and in the end I don't care if I seem like I'm being difficult I want what I paid for...