Varta Powerbank-18200 Mah Portable External Battery/2 Usb Ports 1.0a And 2.4a/lcd Display/micro Usb Cable Included - Power Bank - AliExpress
VARTA Power Bank Energy 15000mmAh, including charging cable (1x Micro USB input, 2x USB A outputs, 1x bidirectional USB Type C connection, quick charging) : Amazon.co.uk: Electronics & Photo