USB-C to USB male to female adapters

Are these safe to use with my new iPad Air 4? I'd still like to be able to use the USB power adapters that came with my iPad Air 2 in 2015.


I'm looking at these: https://amazon.com/Syntech-Adapter-Thunderbolt-Compatible-MacBook/dp/B07CVX3516/ref=sr_1_3?dchild=1&keywords=USB-C%2Bto%2BUSB%2BAdapter&qid=1623677624&sr=8-3&th=1

iPad Air 3 Wi-Fi

Posted on Jun 14, 2021 6:42 AM

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Posted on Jun 14, 2021 7:41 AM

The adapter that you illustrate is not suitable/recommended.


As a safety measure, so to avoid the creation of an equipment-damaging configuration, USB-C “standards” do not generally permit the use of adapters. Additionally, adapting a USB-C interface to a lower specification USB cable will compromise both data and power transfer performance.


The Power Adapter supplied with your iPad Air4 has a USB-C port - and features USB PD (Power Delivery). Your iPad, using USB PD can charge at its maximum supported rate (20W). Standard USB Power Adapters have a lower power rating; when using standard USB Power Adapter, your iPad’s maximum charging rate falls to 12W (2.4A @5V).


The best and safest route to charge your iPad is to use the supplied Power Adapter. You can then use the correct “USB-C compliant” (and preferably MFI Approved) cable for your other devices - sourced from a reputable manufacturer (e.g., Apple, Zagg, Anker, Belkin etc.).

6 replies
Question marked as Top-ranking reply

Jun 14, 2021 7:41 AM in response to Sheryl Smith-Rodgers

The adapter that you illustrate is not suitable/recommended.


As a safety measure, so to avoid the creation of an equipment-damaging configuration, USB-C “standards” do not generally permit the use of adapters. Additionally, adapting a USB-C interface to a lower specification USB cable will compromise both data and power transfer performance.


The Power Adapter supplied with your iPad Air4 has a USB-C port - and features USB PD (Power Delivery). Your iPad, using USB PD can charge at its maximum supported rate (20W). Standard USB Power Adapters have a lower power rating; when using standard USB Power Adapter, your iPad’s maximum charging rate falls to 12W (2.4A @5V).


The best and safest route to charge your iPad is to use the supplied Power Adapter. You can then use the correct “USB-C compliant” (and preferably MFI Approved) cable for your other devices - sourced from a reputable manufacturer (e.g., Apple, Zagg, Anker, Belkin etc.).

Jun 14, 2021 9:08 AM in response to Sheryl Smith-Rodgers

The Apple Adapter to which you link is intended to convert a USB-C Host connection (such as the one that you will find on your iPad) to a USB Type-A port - with which you might connect a USB Memory Stick or USB Keyboard. It is not intended (and cannot) provide pass-through charging of the iPad from an external power source.


Assuming that your Toyota has a USB Port that can provide at least 12W of power, then you simply require a suitable USB Type-A to USB-C cable:


  • mophie USB-A Cable with USB-C Connector (1 m)

https://store.apple.com/uk/xc/product/HN892ZM/A


  • mophie USB-A Cable with USB-C Connector (2 m)

https://store.apple.com/uk/xc/product/HN8A2ZM/A


Very few USB outlets in vehicles are able to provide adequate power to charge an iPad - as they are typically limited to 5W (i.e., 1.0A @5V). Most vehicles have a 12V outlet - into which you can connect a suitable 12V/USB Power Adapter. For example, this 18W Power Adapter has two USB outlets (USB-C and USB Type-A):


  • mophie Dual (USB-C/USB-A) Car Charger

https://store.apple.com/uk/xc/product/HN822ZM/A


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USB-C to USB male to female adapters

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