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21700 batteries are quite popular because of its association with powering up vape devices such as box mods. Some of the bestselling vape 21700 batteries include Imren (Gold) IMR 21700 (3750mAh) 40A 3.7v Battery Flat-Top, Imren (Gold) IMR 21700 (5000mAh) 15A 3.7v Battery Flat-Top, and Imren (Green) IMR 21700 (4000mAh) 35A 3.7v Battery Flat-Top etcetera. We stock the latest and most popular 21700 batteries to offer our retailers the best possible prices. Buy wholesale 21700 batteries and other vape devices, accessories and e-juices only when you shop from Kangerwholesaleusa.