4 ms·What are the main blockers?by KuriousCat 3y agoWhat are the main blockers?rini17 3y agoI am no expert, only assume it's the logistics you need to collect/ship zinc oxide out and fresh zinc in._hypx 3y agoThis is true of all existing metal-air batteries BTW. You need to open them up and physically replace the metal.avidiax 3y agoYou can use them twice with Fluorine.