In Japan, LiFe (Lithium Phosphate) batteries are popular amongst many in the vintage, classic, rere (re-release), and modern R/C hobbyist community, while globally NiMH (Nickel Metal Hydride) batteries are popular among the vintage, classic, and rere radio control enthusiasts even though LiPo (Lithium Polymer) reigns supreme among modern radio controlled model vehicle fans. We ask why and find the unique answers in this episode of the RC Deep Dive podcast.