According to what I found, Centennial Batteries are made by Trojan Battery Co, found in the link here. http://www.scoop0901.net/AWAKE/FAQ/Battery/batbrand.htm

Scroll down to Trojan and it will show Centennial as one of their "distributors" but I couldn't find Centennial listed on their site. Most batteries I have dealt with were made by Johnson Controls and they are some of the best.

That's ok, I'll ass shoot a dink.

Steelhead