The capacity further increased by 50% from “Power Plus 3”, it became 20100 mAh! Even if capacity increases it is almost the same weight as canned beer and it is very compact. Commitment to quality and safety of cheero! We adopt high quality batteries, so you can use with confidence. Equipped with AUTO-IC function to automatically recognize connected devices! The optimum current flows for each device. ? The maximum current of each port is 3A. Since you can charge three devices simultaneously, you want to charge both your smartphone, your smartphone and your Wi-Fi router, there is no problem if there is such a thing in such a case! If you use “cheero Type-C cable (optional)”, you can also charge a new Macbook.