You're Probably Using the WRONG USB Charging Cable
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▼ Time Stamps: ▼
0:00 – Intro
0:28 – Charging Hardware Factors
1:05 – Types of USB Charging
2:26 – A Good Thing
4:15 – The Actual Charging Ratings
5:32 – Higher Wattage Ratings
7:01 – Are The Wrong Cables Dangerous?
9:21 – Main Points
9:53 – How Do Cables Identify Themselves
10:59 – How Ratings Are Actually Written
13:13 – Other Random Tables
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My main multiport chargers all have only A sockets. So do my power banks. Hence we do all our charging with A to C cables.
I *intentionally* charge my phone slowly. This increases the life of the battery.
interesting, was wondering why my usb c cable charging my 140 watt laptop said slow charger, it must be rated for less
I say, deliver me from power delivery via data transfer terminals. I defy anything beyond 0.5 A in my USB port. You need more than that – you need a proper, separate power socket and a proper, 2-wire power cable of appropriate cross-section. Enough of that madness "lets shove power line directly into CPU and see what happens".
Being in the Certification field previously, up to 100W is a very good upper limit. That’s the border between Class 2 and Class 3. Class 3 is the same category of mains powered equipment, Class 1 is up to 15W and Class 2 is between 15W and 100W. The amount of extra safety tests something has to pass if it goes above 100W is crazy.
Basically, anything that above 100W has to be able to handle mains power going through it to pass the test, which is why you don’t even have 180W cables, Might as well just go for 240W cables because it’s easier to pass the safety tests.
Why the 5A limit? that’s another limiting specification in the safety standards.
So purpose of this video it to advertise stuff you are selling.
You said the reason for running high voltage on distribution lines was to lower current. While this is the result of increasing voltage, it is not the actual reason for doing it. Increasing voltage lowers I squared/R losses (current squared divided by resistance) which saves power companies money.
I might just stick with Thunderbolt 5 cables. Easy way to be sure of what I’m getting.
You make a lot of mistakes, here.
For example, manufacturers do make USB A to USB C cables that charge faster than 15 watts.
The specification doesn’t allow for it, but it is done anyway.
I appreciate this. so now i can just stock up on C to C and 60w c chargers for larger devices.
To fast to comprihent.
I had no idea that chargers, cables and devices have such high variability of what they can do. This was a very good and comprehensive video to cover that and even though I had to pause and rewind a few times, now I am much wiser.
Ampere is an app that shows details when charging. I run that while testing my different chargers and cables to determine which combination works the best.
Xiaomi has A to C cables that charge at 67w and 120w. They’ve been working without an issue foe years.
Yes those old cables CAN charge things. It is just the RATE of the charge.
Actually a slow charge is best to charge any battery (less heat).
4:41 I have several. Having USB C outlets, and still many USB Mini B devices, not Micro, Mini, like older external hard drives, I wanted to plug them in to the USB C ports.
It’s a bit silly that those top 3 lines are rated 3A, because USB 2.0 A should only ever deliver a maximum of 500mA, and the USB 3 port should only deliver a maximum of 1.5A.
OnePlus supervooc would like a word. Lol
My usb C to A does 80w charging
The USB Implementers Forum made USB C a whole mess. If they continue their idiotic ways, the U in USB will soon stand for ‘Useless’.
You forgot one important fact: Because of how the e-markers were designed, usb-c extension cords are actually officially unsupported, but still produced, and my cause a fire hazard.
In simple terms, the device cannot read two e-markers, which if would have to if an extension is used, so it just reads the first one ignoring data or power limits of the second. Kinda stupid right?
8:29 It kind of reminds me of what a USB killer does
I specifically use A to C cables in order to limit the charging to 15W max with respective chargers, so fast charge has no chance of wearing down my devices’ batteries in a heartbeat. Slowly charged batteries last much longer and if I can wait, I’ll gladly do. My only faster charging devices currently are the Steam Deck (which won’t charge on an A to C at all), the Quest Pro controller charger (same reason) and the BoboVR charging dock for the Quest 3 (only charges the battery dock if connected to an A to C and not a PD capable charger).
As a non-geek I was happily ignorant about cables before watching this video. I was content to match plugs to sockets. Charging speed was not a concern. Now I am still not concerned about charging speed but all that information has me confused. Ug.
For "Universal Serial Bus" I haven’t seen any busses at all in this video
Was really hoping to get a ride man
So I’m looking for the fastest charging cord/ USB bus to transfer videos. My bus says it’s 3.0 is that considered fast, I get plenty of lagging with a USB to C cable, thanks!
Some USB A to C cables would do 56K pull-up resistors to both CC pins instead of just the one on the side of the data pins which would also not work with some devices. There’s only supposed to be 1 resistor to the CC pin on the side of the data connection
Thanks for 0:54 Now I’m no longer confused of watts and voltage
Since you had often made joking videos, it’s hard to decide at first glance if the other videos are true.
Ugreen really that good?
After ur past videos idk what to trust anymore
These fixed plug chargers are the worst for travelling, bought one to travel and threw it away after a week, it was so frustrating. You have to drag around snap-on plug adapters, which are small and fiddly and get bent/lost easily and are then impossible to replace.
Much safer to buy a block charger (with all the different plugs on internal sliders) – can’t lose any plug adapters. Mine is a Gan 65W block and cost less than these ones. Worked great all around the world and I could charge my laptop, phone, watch and earbuds all at the same time.
Thanks mate.. Jon.t UK
I’m annoyed by the prevalence of high power only chargers. I would prefer my battery to last longer, so slower charging is what i prefer. If cables could help me reduce the power going to my portable devices, that would be great!
It wasn’t a usb fork, it’s a dongle! 1:45
I knew it. It wasn’t just my imagination. (I need to get me one of those cable testers. Where can I get one?)
The world has gone made. We start with probably a 110volt or 240volt wall socket and then into that we insert a 15w or 45w or 60w or 240w charger, then we connect to that charger a USB cable which can transmit power at 15w or 45w or 60w or 240w and then we plug the other end of that USB cable (A, C or whatever) into a corresponding connector in a device device which has been constructed to accept power at 15w or 45w or 60w or 240w. Is it just me? I can foresee that one will have to be an electronic engineer and a computer systems engineer to get one’s PC or laptop booted up in the morning before starting work. That’s as well as getting sorted out between Windows, Mac or 50 different versions of Linux and then logging into the Internet, choosing our email client, installing a new program on one of said operating systems then connecting a printer and having it print out, at the right place on the paper. I skipped networking, storage, backup, USB 2, 3, or 4, updates, my online bank, being hacked etc. Thankfully I am 70 and it will all soon be over.
I have a USB A to C made by Xiaomi that delivers 120w 🤔 and yes that’s my standard charger
well I have usb a to usb c cable that is supports 120w charging from factory in Mi phone it come with phone
me watching a 1 year old thiojoe vid at 1am
Hey, there was many chargers, including powerbanks, that offered only USB-A connector and yeah, no Power Delivery, bur Quick Charge, that was capable to give 30W (and maybe more?) – and UGreen and Baseus offers cables for that purpose. I use few of them. 🙂
I was wondering why new Samsung Galaxy S24 chargers were USB C to USB C. Thanks!
I’ve been watching you for decades. What I need to know is what algorithm you are using to keep your face the same. Why don’t you ever age. lol
$89 for a ugreen 140w charger? I’ll wait an extra 25 min for my phone to charge lol
1 Minute in already a mistake: it’s not a charger, it’s a powersupply
lol i run a large format dc compressor fridge with usb-c. i put a video on my channel. basically use a pd 3.1 trigger baord and run the fridge at 28v since most 12v appliances actually work on 24v, and 24v spec includes 28v coz of how car/truck altenators work by putting out around 14.5v per lead acid battery. been running in my living room for a year. my modifications to the fridge and use of a gan pd 3.1 power supply cuts power use by about 70%
USB A to C cables that come with photos in box, with their adapters are capable of more than standard power. My Honor charger is capable of 66W and it comes with A to C cable. The fast charging still works when instead of the in box cable I use another cable I bought separately.
Over four minutes advertising chargers — will he start talking about USB Cables anytime soon?
You can’t increase the voltage. Hardware is designed for a very specific voltage rating, and if it exceeds that voltage rating it *_will_* destroy the device. You can only safely increase _amperage_ above what is recommended. It is just the nature of how electronics work that they only draw as many amps as is necessary. All USB cables are rated for 5v. Never buy a USB charger that is not 5v unless you absolutely know what you’re doing. It is safe to buy USB charger that has as high amperage as you desire, however.
You’re destroying your devices. Even my 2000 watts e-bike is limited to 2 amps & my phone is limited to 150mA over idle which is 45%. That is way below any normal configuration on the market. While you try to get people to charge fast, some are trying to get it to charge as slow as possible & you don’t have a clue why people do that.
I preferred to use slow charging on all my devices because I care about longevity like my phone. I still use Apples original 5 W charging brick.