Hi Keith,
As part of the USB protocol definition, the device needing power must specify to the device providing the power, how much power it needs. The device providing power is only allowed to provide the minimum of what it can provide with its electronics, what the device asked for, and the maximum the USB/B specification allows. I think the difference (if nothing else) is that the USB/C specification allows for a higher maximum. Chip From: viphone@googlegroups.com [mailto:viphone@googlegroups.com] On Behalf Of Kramlinger, Keith G., M.D. Sent: Sunday, September 17, 2017 5:39 PM To: 'viphone@googlegroups.com' Subject: RE: Still puzzled about Fast Charging Thanks Sieghard. I wonder what, if anything, about the standard USB plug renders it unsatisfactory for the Fast Charge process. Keith From: viphone@googlegroups.com [mailto:viphone@googlegroups.com] On Behalf Of Sieghard Weitzel Sent: Sunday, September 17, 2017 2:00 PM To: viphone@googlegroups.com Subject: RE: Still puzzled about Fast Charging Looks just like a regular Lightning cable except that the regular USB end which normally plugs into a wall charger or your computer’s USB port now is replaced by a USB-C plug which is much smaller, more like the Lightning end in size and it is also reversable, i.e. you can plug it in ether way. Obviously a USB-C power adapter would have a matching female port to accept the smaller USB-C plug. Here is what Apple says on their website, in Canada the cable is 35.00 CAD: Connect your iPhone, iPad or iPod with Lightning connector to your USB-C– or Thunderbolt 3 (USB‑C)–enabled Mac for syncing and charging. You can also use this cable with your Apple 29W, 61W or 87W USB-C Power Adapter to charge your iOS device, and even take advantage of the fast-charging feature on iPad Pro, iPhone 8, iPhone 8 Plus and iPhone X. Compatible with the following computers: 12-inch MacBook, 13-inch MacBook Pro - Thunderbolt 3 (USB-C), 15-inch MacBook Pro - Thunderbolt 3 (USB-C) 21.5-inch iMac - Thunderbolt 3 (USB-C), 27-inch iMac - Thunderbolt 3 (USB-C) Here is what it says on the Apple website about the 3 available power adapters mentioned above, clearly if you already own a newer MacBook I think you would already have either the 61 Watt or 87 Watt power adapter and you can use that with one of the new iPhones, but if not and yu want to take advantage of fast charging for your new iPhone X or 8 or 8 Plus then the 29 Watt power adapter is the one you want to get. In let’s say 4 or 5 years or so when most people have an iPhone 8 or above this of course will be much more relevant although then we of course also may not charge with a cable very much any more at all. 29 Watt: 49.99 CAD The Apple 29W USB-C Power Adapter offers fast, efficient charging at home, in the office or on the go. While the power adapter is compatible with any USB-C–enabled device, Apple recommends pairing it with your iPhone 8, iPhone 8 Plus, or iPhone X to take advantage of the fast-charging feature. USB-C to Lightning Cable sold separately. 61 Watt: 89.00 CAD The 61W USB-C Power Adapter offers fast, efficient charging at home, in the office or on the go. While this power adapter is compatible with any USB-C–enabled device, Apple recommends pairing it with your 13-inch MacBook Pro with Thunderbolt 3 (USB-C) ports for optimal charging performance. USB-C Charge Cable sold separately. 87 Watt: 99 CAD The 87W USB-C Power Adapter offers fast, efficient charging at home, in the office or on the go. While this power adapter is compatible with any USB-C–enabled device, Apple recommends pairing it with your 15-inch MacBook Pro with Thunderbolt 3 (USB-C) ports for optimal charging performance. USB-C Charge Cable sold separately. Regards, Sieghard Regards, Sieghard From: viphone@googlegroups.com [mailto:viphone@googlegroups.com] On Behalf Of Kramlinger, Keith G., M.D. Sent: Sunday, September 17, 2017 11:37 AM To: 'viphone@googlegroups.com' <viphone@googlegroups.com> Subject: RE: Still puzzled about Fast Charging What does the USB-C adapter look / feel like? Keith From: viphone@googlegroups.com [mailto:viphone@googlegroups.com] On Behalf Of Sieghard Weitzel Sent: Sunday, September 17, 2017 11:04 AM To: viphone@googlegroups.com Subject: RE: Still puzzled about Fast Charging Using an iPad wall adapter which puts out 12 Watts of power does speed up charging of a regular iPhone up to the 7 and 7 Plus over the 5 Watt adapter that comes with the iPhone, but it is not fast charging. True Fast charging technology is only available on the new 2017 iPhones, the 8, 8 Plus and iPhone X and as was pointed out previously, it requires the USB-C to Lightning cable and the correct adapter. Regards, Sieghard From: viphone@googlegroups.com [mailto:viphone@googlegroups.com] On Behalf Of Kevin Chao Sent: Saturday, September 16, 2017 10:39 PM To: viphone@googlegroups.com Subject: Re: Still puzzled about Fast Charging I chatted with Apple Support, where they informed me that they were not sure if it was included. If not, it would require the 29W USB-C Mac power adapter and usb-C to lightning cable. I'll wait until there is 3P one for a portable charger or a stand/pad... On Sat, Sep 16, 2017 at 9:09 PM Nimer Jaber <nimerjab...@gmail.com> wrote: Hello, I am pretty sure that it will speed up charging on any iPhones, but probably not to the same extent... Plugging the iPhone into an iPad charger improves charging time significantly. On Sat, Sep 16, 2017 at 11:07 PM Kevin Chao <kevincha...@gmail.com> wrote: Is this fast charging available only on the 2017 iPhones? Or, will it work on earlier iPhones if one gets the USB-C to lightning cable? On Sat, Sep 16, 2017 at 7:47 PM Sieghard Weitzel <siegh...@live.ca> wrote: You need a different cable as far as I know for Apple fast charging, I believe it is a USB-C to Lightning. -----Original Message----- From: viphone@googlegroups.com [mailto:viphone@googlegroups.com] On Behalf Of Deb Lewis Sent: Friday, September 15, 2017 6:31 PM To: viphone@googlegroups.com Subject: Still puzzled about Fast Charging I have a multi port charger made by Choetech that supposedly has two fast charging ports. I'm not sure which of the six ports they are or quite how to tell, they just charge my other things normally. But with the new Iphones, can I buy an adaptor of some sort to use this charge for fast charging them. All of the ports themselves look like standard USB ports. -- The following information is important for all members of the V iPhone list. 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Visit this group at https://groups.google.com/group/viphone. For more options, visit https://groups.google.com/d/optout. -- Cordially, Nimer Jaber My mission is to bring love and peace to everyone around me with all tools available to me. My core values are integrity, innovation, loyalty, excellence, and 100% personal responsibility. The message above is intended for the recipient to whom it was addressed. If you believe that you are not the intended recipient, please notify me via reply email and destroy all copies of this correspondence. Action taken as a result of this email or its contents by anyone other than the intended recipient(s) may result in civil or criminal charges. I have checked this email and all corresponding attachments for security threats. However, security of your machine is up to you. Thanks. 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