Amazon is currently offering Anker PowerCore+ 26800mAh PD 45W with a 60W PD Charger for $110 for Cyber Monday. This is $30, Off the regular price, and will probably end in an hour.
A 45W USB-C port provides sufficient power for charging a laptop at full speed, and two 15W USB ports offer optimal charging of phones, tablets, and many more.
You can charge an iPhone X six times, a Galaxy S9 five and a half times, or give a full charge to a 13-inch MacBook Pro or Dell XPS 13 with a massive 26800mAh capacity.
Recharge your PowerCore in less than 3 and a half hours via the USB-C Power Delivery port using the included wall charger.