salam dustan khaste nabashid,man daneshjuye arshade mekanik hastam va dar zamineye electoronik etelaatam kame,mamnun misham komakam konin man y power bank doros kardam va b akharesh residam k be moshkel khordam,man y mazhul mikham k 2 ta khoruji dashte bashe k khorujie un yekish 5v va 2.1 A bashe va yeki dg khorudi 5v va 1 A,in mazhul b 2ta battery 3.7V 2200mA size 18650 k movazi baste shodan vasl mishe,mikhastam y in mazhulo behem moarefi konin,mamnun