Number of simultaneously connected devices (max): 2 Black. Universal. Built-in display. Charging source: USB. Lithium-Ion (Li-Ion) 20000 mAh. Fast charging. Lightning connector. Power You Can Rely On. Whether you have an old phone or a brand new one, an Apple or an Android, Tandem's built-in USB-C and Lightning cables ensure you'll always have what you need to charge.. USB-C and Lightning Fast Charging. Charge in Tandem. Tandem can charge two devices at once, while being recharged itself.. Easy to Carry. Tandem's looped USB-C cable make it easy to store when not in use.. USB-C and. Lightning Fast Charging. Design. Number of simultaneously connected devices (max). 2. Product colour. Black. Charger compatibility. Universal. Built-in display. Yes. Shape. Rectangle. Performance. Charging source. USB. Battery technology. Lithium-Ion (Li-Ion). Battery capacity. 20000 mAh. Wireless charging. No. Built-in radio. No. Fast charging. Yes. USB Power Delivery up to. 30 W. Ports & interfaces. Lightning connector. Yes. Weight & dimensions. Cable length. 150 m. Packaging content. Cables included. USB Type-C, Lightning
