Have you checked on AliExpress? https://www.aliexpress.com/item/Plastic-Battery-Storage-Box-Case-Organizer-Holder-Container-for-AAA-AA-Battery/32827213400.html?spm=2114.search0104.3.1.37855bfdXGyOB9&ws_ab_test=searchweb0_0,searchweb201602_2_10065_10068_204_318_5727318_10059_10884_10887_10696_100031_10084_10083_10103_10618_452_10304_10307_10820_532_10301_10821_5727218,searchweb201603_60,ppcSwitch_0&algo_expid=ca3eb13e-dc8a-4de2-971c-8063e0bc444a-0&algo_pvid=ca3eb13e-dc8a-4de2-971c-8063e0bc444a&transAbTest=ae803_4&priceBeautifyAB=0
For the smaller ones, maybe smaller boxes are the ideal. I keep my button cells on their packs on a 2x18650 box from GB ! Hope it helps :+1: