Anker 537 Power Bank (PowerCore 26K for Laptop)

The Anker Advantage: Join the 50 million+ powered by America's leading USB charging brand.
Huge Charging Power: A 45W USB-C port provides enough power to charge a laptop at full speed, while two 15W USB ports provide optimized charging to phones, tablets, and more.
Colossal Capacity: With a massive 26800mAh capacity, you can charge an iPhone X 6 times, a Galaxy S9 5 and a half times, or provide a full charge to a 13-inch MacBook Pro or Dell XPS 13.
Rapid Recharge: Use the included wall charger to recharge your PowerCore in less than 3 and a half hours via the USB-C Power Delivery port.
What You Get: PowerCore+ 26800 PD, 60W USB-C wall charger, USB-C to USB-C cable, travel pouch, welcome guide, our worry-free 18-month warranty, and friendly customer service.