jˈuːzɪŋ ˈɑːksɪdʒən fɹʌmðɪ ˈætməsfˌɪɹ ɐlˈaʊz ðə bˈæɾɚɹi tʊ ᵻlˈɪmᵻnˌeɪt stˈoːɹɪdʒ ʌv ˈɑːksɪdʒən fɔːɹ ɪts ɹɪˈækʃən, sˈeɪvɪŋ bˈæɾɚɹi wˈeɪt ænd sˈaɪz.
Using oxygen from the atmosphere allows the battery to eliminate storage of oxygen for its reaction, saving battery weight and size.