USB-C to USB-A adapter for 20w charging brick...

[zuckuss00]

Hello guys,

Like most of you... I've got about a million USB type A to Lightening cables over to years to charge and connect my iPhones.

I ordered the new 20w Apple charging block to take advantage of faster charging. I'd like to find a USB type C to type A female adapter to use with the charging block. However, I'm now worried than an adapter will hinder or maybe even not work with the 20w Apple charging brick.

HERE is what I'm looking to order... Any thoughts from you folks?

 

[I7guy]

For $7.99 try it out and see how it performs.

 

[jdb8167]

Hello guys,

Like most of you... I've got about a million USB type A to Lightening cables over to years to charge and connect my iPhones.

I ordered the new 20w Apple charging block to take advantage of faster charging. I'd like to find a USB type C to type A female adapter to use with the charging block. However, I'm now worried than an adapter will hinder or maybe even not work with the 20w Apple charging brick.

HERE is what I'm looking to order... Any thoughts from you folks?

You’ll only get 5 W charging but it should work.

 

[Paco II]

You’ll only get 5 W charging but it should work.

Why only 5w?

 

[jdb8167]

Why only 5w?

Because USB-A doesn’t do power delivery.

 

[Paco II]

Because USB-A doesn’t do power delivery.

Sorry not understanding. I get that it wouldn't do PD, but why would the adapter limit charging to only 5w?

 

[IndoX]

Sorry not understanding. I get that it wouldn't do PD, but why would the adapter limit charging to only 5w?

Power delivery is what allows USB to offer more than 5w. USB 3.0 and below are limited are a hardware level and cannot provide more than 5w (4.5w to be exact).

 

[venom600]

Sorry not understanding. I get that it wouldn't do PD, but why would the adapter limit charging to only 5w?

USB-C cables have chips in them that tell the charger that they support PD. If the charger doesn't see those chips (and it won't in any USB-A cables, even with an adapter), it will lower power output to 5W.

 

[Paco II]

USB-C cables have chips in them that tell the charger that they support PD. If the charger doesn't see those chips (and it won't in any USB-A cables, even with an adapter), it will lower power output to 5W.

Ah, OK that makes it more clear. Thanks! So you either have a proper cable, otherwise you get very little power output. And when using an adapter, the charger won't deliver more than that measly 5w. Interesting!

 

[TheIntruder]

For a few dollars more, I'd get a proper cable like this one, or this one and never have to worry about incompatibilities, sketchy build quality, or any other uncertainties.

You're already ponied up for the latest and greatest power adapter. Finish the job with the right cable.

 

[gtg465x]

In theory, it would be possible to make a USB C to A adapter that supports up to 12W (5V 2.4A) for Apple devices, but the adapter would need to support the Apple 2.4A fast charging protocol. If it doesn’t say anything about fast charging in the description, then it probably doesn’t support it and will only charge at 5W (5V 1A).

An easier route to be able to use your old cables would be to buy a charger like this instead of the Apple 20W charger. It‘s only $2 more than the Apple 20W charger, is about the same size, has one USB C port and one USB A port, and it supports up to 30W charging from the USB C, so it can fast charge recent iPad Pros, unlike the Apple 20W. https://www.amazon.com/RAVPower-Charger-Certified-Lightning-Nintendo/dp/B08HRLNMM5/ref=sr_1_7?crid=UA6UIIPDAIF&dchild=1&keywords=ravpower+charger&qid=1604160369&sprefix=Ravpower,aps,271&sr=8-7

edit: If you’re set on the adapter route, I would try one of these. The Amazon one says it supports 5V 3A and the other one says it supports fast charging, so these might be able to get you 12W charging.

Amazon Basics USB-C to USB-A 3.1 Gen1 Female Adapter Cable Converter, 5Gbps High-Speed, USB-IF Certified, for Laptops, Tablets, Phones, White

Amazon Basics USB Type-C to USB 3.1 Gen1 Female Adapter Cable - White

www.amazon.com

JSAUX USB C to USB 3.0 Adapter [2 Pack], Type C Male to USB Female OTG Cable Thunderbolt3 to USB Adapter Compatible with MacBook Pro/Air, iPhone 15 Pro Max/15 Plus/15, Samsung Galaxy S24/S23/S22/S21

JSAUX USB C to USB 3.0 Adapter [2 Pack], Type C Male to USB Female OTG Cable Thunderbolt3 to USB Adapter Compatible with MacBook Pro/Air, iPhone 15 Pro Max/15 Plus/15, Samsung Galaxy S24/S23/S22/S21

www.amazon.com