Battery replacements in 2013 Chevy Silverado 2500 Diesel

Wow, both of my Rams have easy to replace batteries. I replaced the set in the
2001 right on the dealers lot. I had an old bike inter tube that I cut to length and slipped over free hot terminal. Replaced one at a time, had mice get to the battery covers in the 2016, had to pull the terminals to replace the covers