Portable and Convenient USB Travel Charger KarstCave 61W 4-port usb pd3.0 type-c travel charger,which can charges up to 4 USB powered and devices simultaneously and automatically detects maximum power output for each connected device for optimal charging efficiency. Whether it is a full-family home use, or in the office, abroad, business travel, you don't need to bring your phone, ipad, laptop, Nintendo switch, Electric shaver,Kindle, etc., bring their original adapter (you don't think so Does it take up your backpack space and is it too heavy?) As long as you bring this product, it can meet most of your needs.Make your life, work and vacation  is convenience. USB-C with Power Delivery 3.0 Charges the new MacBook(new MacBook pro) at full 45W speed-almost three as fast as a standard USB-C charge-leaving you with more time for you.If the new MacBook(new MacBook pro) is connected to other devices (such as an external mobile hard disk), it can provide up to 61W (MAX) of power. The TYP-C port also supports protocols like qc3.0, which means that it can also charge (or power) most electronic devices.As long as you have Typc-c to the appropriate interface charging line can be achieved. Quick Charge 3.0 2 Standard USB Ports,KarstCave have 2 standard usb ports provide the fastest possible charge for any phone or tablet, up to 2.4A per port.* That means even if your device doesn't have USB-C or QC3.0 function, you can still give it a high-speed charge.
J**R
Received a used Apple Type C power supply
The package I received was three boxes wrapped together with cling wrap.Removing the cling wrap, I found a KarstCave box, a Type C USB cable in a bag and a brown box presumably with international adapters.The Karstcave box was glued shut. When I tore it open I found an Apple type C power supply with glue on it. A normal Apple supply will come with a protective plastic wrap. This one did not have the wrap so I assume that it is a used supply.The brown box contained 3 Apple international power adapters.The USB C cable seemed nice.I chose this supply over the Apple supply for the additional USB charging ports. Unfortunately I will need to keep looking.
P**K
Works fine, though not doing full 61W on USB-C PD port
I got the correct charger (unlike Joseph in the one-star review). The only problem I have encountered so far is that it is on my 2017 Macbook Pro 13", the System Information app reads it as a 41W charger, unlike the original Apple charger that the apps reads as a 60W charger. When I measure the power going into the machine during charging, the Apple charger goes up to about 58W, and this one reaches about 39W, which is consistent. I sent a note to KarstCave and they confirmed that the 61W is the overall wattage for the charger, though they didn't mention that the charger only reports itself as a 41W device. Given that, I don't really understand the warning (called a "Warm Tip" instead of a "Hot Tip" 😄) on the box and in the instruction guide saying not to use the other ports while you are using the USB-C PD port to charge a device "that around 61W"; if the charger reports that it is only 41W, the machine shouldn't draw more than 41W from that port. The product description should make that clearer. That said, I think I'm going to keep it: Even with 41W for the USB-C PD port, the machine charges (although a bit slower than with the Apple charger), and I can plug in other devices to charge while the Macbook Pro is plugged in, the warning notwithstanding. The QC fast charge port works fine with my Samsung Galaxy G7, and the other two USB ports charge normal USB devices just fine as well. Also of note: The plugs are interchangeable with the Apple plugs, meaning you can use the grounded cord that came with your Apple power supply on this one, and you can use the international plugs that come with this package on your Apple power supply. For some reason, the Q&A on the product says they are a different size; they are not.
F**E
Stay away from this junk
heavy, plug prong when plug in is real loos, stop charging after a few months, no warranty declare on description page, customer service never return communication about defective merchandise, do not buy.
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