Edit: I wish I had known before I bought it and it was past the return time. THIS IS A 10 WATT CHARGER ONLY. Before QC 3.0 we were dealing with output amplifiers and a 3A charger would suffice. Then came USB 3.0, and until now most of us have only looked at the output of an amplifier. I bought it specifically to charge drone batteries, which would speed up charging exponentially if the correct charger was connected to the QC 3.0 unit. I couldn't figure out why NONE of my devices charged as fast as the other wall charger I later bought. Spring. The second charger was a single 24W port. I don't think there is a difference 24W or 18W as devices can only be charged up to a certain speed. But that 10 watt charger didn't work, and only now do I know why. I wish this charger had instructions. I was really unfamiliar with QC 3.0 and thought the three blue ports were QC and the orange one was not. For me it was probably the other way around. I have two smart charging devices and I don't see the QC port faster than the others. The only good thing about this charger is that you can connect 4 STANDARD devices to it which is great for travel when you have a couple of phones and maybe an iPad to charge overnight. As I said, I also (later) bought this QC 3.0 charger and I know it charges fast and has a green light on QC and a blue light on normal. This one definitely charges fast. I'll compare the times between them to see if I'm wrong about the iSeekerKit charger. https://www.amazon.com/gp/product/B019GQ6S2C/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1 Conclusion: Skip this charger if you need fast charging capabilities. If you're just charging a couple of phones overnight, it should be fine.
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