batteries

Hi, I own a 2004 Dodge Ram 1500 with an 5.7l HEMI engine. I need to replace the battery but the pre-owner used a wrong one. Sorrily there are not quite a lot places who are familiar with US-cars where I live so there is noone to help me. If somebody would be so kind to tell me the exact...

bought my 06 with 100k. I've now got 140k. When I purchased it, there were 2 batts with 1 disconnected. Thought this was odd, but I hooked it up and it didn't notice any issues. About 6 mo later I noticed the radio and clock "flickering" on and off while driving. A few weeks later it...