best sellers 30000mah power bank 30000 powerbank
>Battery type:Li-polymer Battery
>USB Input:DC 5V 2.1A
>USB Output:DC 5V 2.1A/5V 1A
>Micro USB & Type-C& for iPhone &Type C
>Compatible with most USB charging devices such as for iPhone, for iPad, for iPod,for Samsung, other Android phones, Gopro cameras, GPS, etc