Good charger, it charges itself back up really fast through USB-C. I have an earlier Xiaomi battery pack that is a bit slower in terms of charge/discharge, but is basically plug-n-play. This one though, I've found sometimes that it isn't always as easy as plugging a device in - it can be a bit of a dance where you need to pop the cable into the pack, press the button on the side, then plug it into your device. If you don't do it like this, the device sometimes doesn't get picked up and start to charge. Other than that though it's solid, I'm happy with the fast charging capabilities, really happy with USB-C, happy with the capacity of i...view more