Amazon.com: Anker PowerCore 26800 Portable Charger, 26800mAh External Battery with Dual Input Port and Double-Speed Recharging, 3 USB Ports for iPhone, iPad, Samsung Galaxy, Android and Other Smart Devices
Anker | PowerCore+ 20100 USB-C
Anker | PowerCore+ 26800 PD with 30W Power Delivery Charger