[12/12/2016] RAVPower 22000mAh 5.8A Output 3-Port Power Bank 超大容量行動電源，Portable Charger RAVPower 22000mAh 5.8A Output 3-Port Power Bank USB Battery Pack (2.4A Input, Triple iSmart 2.0 USB Ports, Li-polymer Battery) External Battery For Smartphones Tablets more- Black
，特價只要$29.99 USD。 Prime境內免運費。哪裡買: Sunvalleytek via amazon。