Anker PowerCore III Sense 10K: Portable Charger with 10000mAh Power Delivery via USB-C (18W) Three Modes of Charging: 18W Delivery of Power trickle-charging mode for low-power devices, USB-C port, and USB-A port with PowerIQ functionality. Two devices can be charged at once by using the dual USB ports. Quick Recharge: Use a USB-C Power Delivery wall charger to quickly recharge your PowerCore in just 4.5 hours. Using a USB-A charger and cable to recharge will take about 10.2 hours. Quality All Around: The PowerCore III Sense 10K is high-end on the inside and out, featuring a sleek design and a cool-blue LED light wheel to show battery level.