If you're looking for an electronics expert report, this isn't it. I don't know anything about amps and watts. I only know roughly what I think I need, and I might even be wrong about that. The last time I was packing for a trip, I thought about how I only carried a cable to charge my phone in a zippered bag. I now have a large drawstring bag with a phone charger, a laptop charger, a watch charger, a Bluetooth headphone charger, a Kindle charger, a headlamp charger, and a book lantern charger. Also included are some items that require charging cables and pluggable USB chargers. I went from a few ounces to a few pounds of "must have" electronics. And unfortunately, in many hotel rooms and other places we stay, there isn't enough space to connect all of these things together. I play strings of music all the time. while giving anything that needs charging a chance to get some power. When I saw the ports and cable on the back I thought this was just what I needed. I don't know what the small window stuff means, but for those who want a small window, it's there. My ports are different in color from the picture above. My port 2 is green and the four on the left are red. I don't know if anyone cares. Every night I plug in everything that needs to be charged and in a few hours it's all charged. Not that I wake up to check. I'm sorry, it's not technical. I wish I had another father to ask about these things. I'm so glad I stumbled across this article. It fits in my electronics travel drawstring bag. I wouldn't be surprised if I need more in a year or two.
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