Flickering or pulstating Headlights

I've had good luck with Sears Diehards. The one in my car (trunk mounted so size was not an issue) is the biggest baddest Platinum they made. I bought it about 5 years ago and have had zero issues. The one before it lasted 14 years believe it or not and it was still cranking the engine fine, it's just I was getting nervous. I keep my batteries on a tender at all times so that's probably why they are lasting, just don't know what I'll buy next time as Diehards are no longer an option. I like the fact that Deka is made in the USA, maybe I'll go there.