Hard to find this weird battery size for my Japanese import – anyone know a source?

I bought a used 2017 Nissan Note that was imported from Japan and now I need a new battery. The old one has a code 55B24LS on it but every shop I call says they don't have that exact size. Some say I can use a different size but I'm worried it won't fit the tray or the terminals will be reversed. I work in Business Bay and I'm trying to find a 55B24LS Battery Replacement in Business Bay that actually stocks this specific size. I found Amaron's battery page and they list this code which gives me hope. Has anyone else with a Japanese import had trouble finding batteries here? What did you end up doing? Can I safely use a slightly different battery if the CCA and terminal positions are the same? The car is just a small hatchback so I don't need anything fancy, I just want something reliable that fits without modifications. Any shops near Business Bay that specialize in Japanese imports would be great. Thanks for any help.