Hapana, A21 haziauni kuchaji bila waya. Ina kubwa 5000 mAh betri ingawa, na inasaidia Fast 15W kuchaji. ^EM katika Usaidizi wa Samsung Kifaa kinaweza kutumia kuchaji bila waya Hapana####[['kuchaji bila waya', 'Battery/Longevity#Charging Method', 'negative'], ['5000 mAh betri', 'Battery/Longevity#Battery Capacity', 'positive'], ['Fast 15W kuchaji', 'Battery/Longevity#Charging Method', 'positive'], ['kuchaji bila waya', 'Battery/Longevity#Charging Method', 'positive']]