Dangerous USB phone chargers 12
ฝัง
- เผยแพร่เมื่อ 7 เม.ย. 2022
- Another pair of USB chargers - a test and what's inside. One is a "5-8V 1000mA" single port charger from eBay, the other has two USB ports and one micro USB port on a cable, claiming 5V 2.1A, donated by a viewer. Let's see what surprises and hazards are hidden inside. Including the schematic. Some chargers may not comply with safety regulations, they may cause an electric shock or fire. Their current rating may be fake, the output voltage may be wrong and they can cause electromagnetic interference or damage your devices.
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You are absolutely right that manufacturers no longer including chargers will simply mean that there won't be high-quality chargers in most homes; we're left with this dangerous crap and there's no incentive whatsoever for Chinese manufacturers to improve the safety or to make them meet their ratings. Phone manufacturers don't help matter, either, as any chargers they do sell may be of good quality, but are still overpriced. The inescapable trend I've witnessed in my lifetime is that you can either spend too much or too little; the middle ground continually disappears.
And a ton of counterfeit power supplies. I font think you can buy a genuine apple or Samsung power supply in most of the world.
Thankfully a few weeks ago, I managed to buy a charger from LIDL supermarkets which didn't cost too much. It was £7.99 and features 5V/2.4A via USB type A, and QC 3.0/PD via USB type C (5V/3A, 9V/2A, 12V/1.5A). This one should be safe enough and hopefully won't blow up my phone.
And the 'good' manufacturers also glue/weld their devices shut so you can't even take a look inside if it's of genuine quality, let alone repair it.
I think it’s ridiculous to call a safe, well designed original charger for $20 “overpriced”. I think the extra $17 are a tiny price to pay for knowing that it won’t electrocute me or burn my house down. And it’ll likely be more efficient as a bonus.
@@arandomcomp2427 That’s the thing, in many places, getting original ones is difficult.
We need to see the wavy track fuses tested in a future episode.
Funny, I guessed "Super Dodgy" on the second charger before you opened the transformer. You are a great teacher.🤯
I was already suspicious when I saw it has an LED.
Whenever he says dodgy it sounds like douchy, but both words fit well xD
Before even turned on, I thought it is dodgy or even super dodgy 🙂
@@ACOnetwork And of course, what made it the best was the awesome construction of the transformer. :D
@@TheSpotify95 you do not need isolation, wire lacker is all that you need where fire and other hazards is non existent and completly safe and secure 🤣😂.
Joke aside, that transformator can be used for one thing only... winding wires as jumper wires for the electronic repairs 😁... good at least for something right❓😁
As my jaw was getting closer and closer to the floor by sheer horror my mind went "Oh dear, this is wayyyy beyond 'Dodgy'..". And it was in the end. Excellent work DGW!
11:57 Excellent, this is a fantastic transformer, really good quality! There's no isolation between the secondary and auxiliary windings, and the huge gap means that the secondary is touching the primary. So all three windings are isolated jut by the thin lacquer on the wires (approx 0.05mm or less) - which is not designed to be the only isolation between mains and humans. This is an awesome electrocution deathtrap! Super dodgy!
Good "spotting", Spotify95... You were spot on. And yes - Dang SCARY!! 25 bonus points awarded. Cheers!
I think you may need to introduce a new rating: “ultra-dodgy”!!
Or "warp speed dodgy" :)
Yeah. Still waiting for that one that’s so bad that it needs to be rated Ultra Dodgy, with the skull icon on both sides. The ultra dodgy could be red text on a black background.
Dear Diodegonewild, you have a lot of experience with various high voltage applications. Why you do not build a high voltage tester (e.g. up to 10kV) for testing insulation strength of materials? The construction of such device would be a nice video series and later you can use it for testing insulation strength of transformers from the dodgy usb phone chargers... :-)
Great idea! There could be a nice firework with second charger.
Super dodgy is back, nice, lol, next up the watt meter please :)
The kind of chargers you give to your enemies :D
The last was more super-duper dodgy 🙈
it's so funny that you don't even bother counting the number of turns, just completely gave up on that second charger. What a shame, I bought one similar to this one but with 4 USB ports and the same problem, less than 1A in total, what a useless e-junk, only made to fool people into buying it for charging multiple devices.
I'm leaving for several days and I wanted to finish the video ;). That's why I didn't count it. But anyway, I counted dozens of them already...
@@DiodeGoneWild That piece of crap already took your valuable time. So cheaped out everywhere, I am surprised that even the USB socket has metal housing at all...
@@moczikgabor There was one in the previou episode that was even worse, and had literally everything wrong with it - including no isolation between any of the windings...
"Super Dodgy Electrocution house burners".... LOL! One of my favorite channels. Keep the videos coming.. Please!
8:35 Chinese Amperes are about half a European Ampere. 🤔
Edit: It went downhill from there... That's one of the most dodgy ones ever.
You certainly should learn something about P.M.P.O. watts. Those are super puper uber zig zag mega dodgy.
This country has lost face to the rest of the world.
Their reputation is ruined for a long time.
Good job buddy
I like your videos about SMPS specially dodgy chargers
Very cool video! 😄
what European standard your hair dryer falls in? lol
That one with white light inside the plug is a charming idea. It doubles as an indicator for power and night light for those who need it.
Too bad they forgot to put the equal amount of effort in designing the circuitry.
:D i love your videos, you are unique in youtube
6:23 Cuteness alert - you can hear the cat purring :).
I can see the frustration and disappointment in your voice after 12:30 🤣🤣
Please test some dodgy charger on 110V
I've seen lot of them doesn't work properly on 110V
good point
Always love to see your cat in video cutscene 💕💕
I remember in your video from february 2018 where you said you'll never mention your patreon account again. Weird how times have changed huh
10:11 i wish that you had noticed the huge through hole pins, which weren't cutten short ... i think that could lead into arking over and short circuit 😀
LOL. Electrocution house burners. Very Funny!!!
wonderful video I love it . we have lots of these super goddgy chargers in our markets and no one buy it , because it stopped working within two days .
Dodgy! No thing of beauty, no chicken dinner. Ha.
That zig-zagging "fuse" on the first charger made my day. How the f*** is such a thick bit of copper going to fail from overcurrent? Even a token gesture inrush limiting resistor or inductor would have been better.
This is entertaining every time - dodgy china stuff 😄
5-8V? Is that in reference to some MediaTek PumpExpress protocol (no idea which one, both the numbering system and electrical specs are a bloody nightmare)?
EDIT: Take that back, literally posted as the video showed the lack of voltage negotiating IC... But still, if you're reading this, Dan, see if you can get your hands on one of those PumpExpress chargers because it would be interesting to see if there are any [that work].
I miss the "you kidding me guysss" at 12:15!
The second charger was really big disaster
The sad truth of the matter is that these chargers are going to become much more commonplace in the future, with smartphone manufacturers (notably Samsung and Apple) no longer shipping chargers with many of their phones. The cables that also come with these phones are USB type C based, rather than USB type A, so their previous charger won't fit the cable that is being provided with the phone. This will be problematic especially if the user is switching between different brands (e.g. from Samsung to Apple) or if their old charger was a different type (e.g. from Micro USB to USB type C). Given how the manufacturers are trying to charge a lot of money for their genuine chargers, people won't pay it, and will instead buy a different charger from elsewhere - which may be of questionable quality.
I don’t think $20 for an original charger is “a lot of money”.
@@tookitogo $20 in the US is really nothing. But those 'cheap' $20 chargers become over 20% of the average salary in Brazil. Yes, folks, an original charger in Brazil can cost as much as filling your car at the gas station (currently, 33% of the minimum wage for a typical 12-gallon tank, which for Americans would be equivalent to paying 25 bucks a gallon).
That's why those dangerous chargers are so popular, and even at that, there are even dodgier ones being sold for over $10 here.
@@LucasPereiradaSilva they shouldn't buy Iphone then if they cant afford good charger...
@@LucasPereiradaSilva Yet the cheap chargers are just as popular in places with high wages, unfortunately. :(
@@irfanyxp3489 it is not about an iPhone, if a Moto G or similar is "luxurious" for you, yeah, the charger of this phone costs just as much.
Suuuuper doogy 👍 U da man 👍
Would be interesting to compare the budget cheap ones to more expensive ones ;)
There exist such comparisons, both in video and as text. The difference is night and day.
Look at previous samsung vs similar looking crap.
I love experiments
The moon and stars indicate its leading you to a permanent goodnight
Thank god all large phone companies include chargers with their devices and we don't have to buy potentially unsafe products.
Actually larger ones like Samsung, Apple and other ones stopped including chargers in package (since iPhone 12 and Samsung S21), however on the other hand those phone require USB-C PD and or PPS (programmable power supply) so those Schnick & Schnack el cheapos like those on video will charge in snail speed. For instance with last super dodgy charger my Samsung S20 would be charging (3880 mAh accu) for about 4-5 hours, while with >= 25 W PPS power supply it is done in ~ 80 minutes and with 9V PDO or QC2.0 / QC3.0 it is charged in 2 hours.
I was actually surprised when I received USB-C 20W power supply in iPad mini 6 (2021) box, however I had already Samsung 45W / Xiaomi 65W chargers + various USB-C notebook chargers (DELL, Lenovo, Apple), so I kept it as backup :)
CE marking on cheap chinese chargers means China Export 😀
Even if China export would exist it would be illegal to exist and the product would not be allowed to be importet
@@allcrafter3747 Chinese manufactures stick any European safety marks on their counterfeit and dangerous products to convince Europeans that their products are safe to be used in Europe.
I suggest checking out ikea chargers. Last time I've seen one broken to bits it was pretty decent and they are literally cheaper than these pieces of craps
Hi
How can i donate something? I have now two types of power supplys laying around. 400 supplys in total 😁. 200 of each type. They are cind of like these "industrial" power supply modules. But just a naked PCB. The manufacturer is MeanWell abd they are the types EPS-15-12 and PD-2512. I'd like to donate one of each type for your testing 😉.
Kind regards from Bavaria 🍺
I bought a charger from Xiaomi a year and a half ago for ₹999 rupees. Is it good or bad?
So as the first one if the capacitor fails the main current will goes to output and damage the phone?
Forget just the phone... if there's mains on the USB output, and you have a metal cased phone, then you'll get electrocuted by your phone/charger.
Those paper caps are dodgy. If I get a kit I replace them. I took apart my Samsung one the other day and it had so many components you couldn't see the pcb
That ain't no paper cap...
It's a ceramic disc cap...
They are decent and reliable but not short curcuit proof.
@@westelaudio943 yeah I know. It's ceramic. I should've said that. I thank you for the clarification though. Learning new shit is what I'm all about.
wow this is new low, winding secondary right over primary
People are buying more and more of these fire hasards because of the phone makers not including chargers anymore! How crazy is that?
Indeed, the fact that most phones (again, Apple starting this, so thank you...) now don't have chargers included, means that a lot of people won't want to buy expensive chargers on top of their expensive phone, so instead, will get the super cheap super dodgy ones. As in the ones that will eventually start a fire or cause an electric shock.
@@TheSpotify95 You're so right! And you know what i found to be the most ridiculous thing that apple has ever said in its entire existence??? "We removed the charger to combat e-waste, because everybody has at least 1 or 2 usb chargers already in their house from previous devices" . . . But what they didn't say, was that every iphone before that, used to come with a usb-a to lightning cable! But that is not the cable that came into the box when they axed the charger, they shipped a usb-c to lightning cable, which is completely useless for those usb-a chargers . . . So, in fact, they are creating even more e-waste! It's like they are laughing in our faces . . .
I agree with you: DODGY !
Really again a phone charger 😓
The first charger doesn't have a proper europlug shape, i don't think it would fit several compatible wall outlets like the schuko but i'm not sure. Maybe the plastic casing is small enough to fit. It definitely would not fit a recessed europlug female socket with the 45º sides.
That plug will fit in Euro socket, French socket and old Soviet wall socket. It cover like 99% of usual uses.
Who build this bad chargers?? Do they even have any engineering degree? I cannot believe that an engineer designed those boards withouth high amounts of chemical substances in his blood. Bloody hell! Bad soldering, bad components, bad layout, bad regulation. It is litteraly electronic wast shipped back to us. Is this Karma? Or do chinese people want to see people burn in hell? I don't understand this behaviour. No proud in this product, no soul, just waste. You cannot even harvest components because they are bad, too. I cannot believe that people buy this and be happy they spend money on electronic waste. Unbelievable. I am going crazy I guess...
Electorcutic houseburners 😄😄😄😄
You should consider to evaluate the top 10 ALIEXPRESS selling USB chargers and also include the top 3 brands of Aliexpress to compare their built quality and price comparison.
Not sure what the 5-8 V meant on the first one you disassembled, but it definitely did not say Fast Charging and I don't know of a Fast Charging standard that is 1amp 5V, or between 5 and 8V so the fact it didn't move to fast charging is not a negative on it. The construction was basic, but not the worst I have ever seen. The transformer looks reasonably well made. The distance between windings was not that bad for the type of transformer it is. Second one is a completely different story though. That is a really dodgy supply
That first charger was actually fine. Very basic, but OK. Second one indeed was deadly crap.
@@KrotowX Exactly my thoughts. I was kind of nicely disagreeing with the "dodgy" claim on the first one :)
CE clearly means “Chinese Experiment”
i really like your channel just curios if your a chinese?
is the fuse drawn on the pcb?
Pcb fuse😨
when owner still sleep and he doesn't notice or see what his fancies write > it will be problems
i have a super super dodgy chinese charger with 5v 2A text on it, but i measured it and maximum is 800mAh. even its housing is dodgy, very low quality plastic. how to donate it? :D
contact me at danyk@centrum.cz ;)
Show its Ripple and EMC performance also.
Hai friend very good morning from India in this video 7:02 aux. Winding voltage divider output ac or dc kindly explain please
There might be a mistake in the schematic, the divider should go after the diode to get a DC value. The winding will output high frequency AC, but each half-wave would be different and malformed - not a sine wave at all.
Não entendo como um produto deste é tão barato. Entretanto quando alguém aqui no brasil o compra, ao aqui chegar o seu preço toma proporções exorbitantes!!! E tens sorte se realmente os correios o entregarem!
Brazil is basically a scam, you must pay something like 80% of the product's price in taxes, and since the Brazilian real is worth nothing nowadays and taxes are charged in dollars (why would the customs charge you in some monopoly money like the Brazilian real?), anything over 2 dollars is instantly a luxury item. Brands like Multilaser love it as they pay only 2,5%, selling crappy Chinese products for prices that are closer to quality brands, basically what brazilians would call "camelô gourmet". If Lenovo makes a phone that costs 800, Multilaser comes with a similar one and puts a very similar price, even though they have paid something like 20 or 40 dollars for some dodgy white brand manufacturer in Shenzhen or Guangdong.
@@LucasPereiradaSilva por isso que eu mesmo monto os meus carregadores. Desde o meu primeiro cell phone, a Nokia , back in 1990's lol
1 good transformer 220-12-0-12v
some fuses, diodes, capacitors, resistors a lm317, " *selector switch* " 《- _not sure about this component name_ . I still have my first charger, howerver, can't say the same about my black brick,🤣 i mean, my Nokia. 😊 stolen!!!!
I even tried building chargers using the surface component technology but...,u know..., this is brasil ... can't find suitable paraphernalia to work with tiny components and, in finding, it is almost impossible to acquire due to exorbitant prices. Oh well!😩
Nevertheless the "old" technology " *não deixa nada a desejar* " in terms of quality and functionality.
" *Até hoje, vira e mexe algum cliente me pede para construir-lhe algum radio AM* " . 🤣
✌😊👍
💚💛💙
🇧🇷🇧🇷🇧🇷
@@LucasPereiradaSilva quase esqueço.
em 1994 quando adquirí meu nokia aconteceu um "acidente" . O carregador simplesmentw derreteu na tomada. Por isso eu decidí consteuir meu próprio carregador. O qual tenho até hoje.
✌😊👍
that' s it.
Shame the second charger failed and rendered to be super dodgeey. I really liked its structure
Meh... What is likeable in it, the star pattern? Probably that, and the two LEDs illuminating it is where all the "engineering" went. Otherwise every part of it is the chepest and crappiest possible. I am so angry that this and a lot of similar piece of garbage can be sold, or imported at all in the first place! There really should be some regulation that holds the sellers responsible, otherwise it seems that manufacturing this e-waste can not be stopped.
Yeah it looked kinda cool.
@@westelaudio943 Your house will also look cool, when firemen get their job done.
Any charger whose transformer has no isolation at all (except the lacquer on the wires) is automatically going to get a super dodgy rating. Over time, the transformer will run hot, the lacquer will fail, the windings will bridge over and you'll get mains on the USB port(s).
At least first power supply met the specs written on label and wasn't like crap inside. Second one had crap appearance and indeed is a crap.
Helllooooouuuuuuuuuuuu! What’s goooooing ooooooonnnnn?
How can donate stuff?
contact me at danyk@centrum.cz
DODGGGYYYY
At 15:06 what is that voltage selector board. Where can I get one?
My main charger for all phones and other devices in my home made is a 220 volt step down transformer that is taken out of an old appliance that has a smoothing DC module voltage regulator attached to its 6 volt output and it has 10 usb outputs and I can charge 10 devices no matter how powerful they are, because I am so tired of the wispy crackling sounds that come out of the normal flyback chargers, I can't stand that noise, it drives me crazy so I made the huge homemade charger that is 100 times better and more reliable than any chargers you can buy. And its quiet.
Interesting video as always, but you took some lessons, where is your nice "TJÚ" pronunciation?😉
Nice.
There are 4 categories; nice, dodgy, super dodgy, and dangerooosss.
This last one was dangerooosss. Not super dodgy!
are you kidding me gaaaays :)
do you have a video with automotive phone chargers?
I think a long time ago I opened a 12V car cigarette socket USB charger.
Car phone chargers are not likely to be dangerously-dodgy because there's no high voltage, no need for isolation which is the common culprit in the mains chargers - if the charger melts it'll likely just trip a breaker, but if the isolation is bad your phone will get mains voltage (with a bonus of enough resistance on its path to not trip a breaker while it fries the phone and the cable)
I had mini GoGen car plug 1A charger with USB socket and hardwired microUSB cable that fail. I hear some bang not very loud and smell something burnt but blue LED still lit. I'm very happy phone was not connected USB output was above 11V and above 13V when engine running. When capacitor explode probably shortcut control chip. 1V drop probably because diode and switching transistor.
Here is video with combo power socket and car plug charger in one "Questionable 2-in-1 USB charger - test, schematic & modifications" and "DashCam Test & Total Teardown (including car charger)"
Nice
I think the super dodgy one is called …….. the ex-wife lmfao.
Super Dodgy...
CE means china explosive
Not to mention that wire is likely recycled from other transformers from chinese e-waste as well.
I think that's less likely because they would probably need larger lengths of wire.
Thanks a lots.
Don't like dodgy instruments.
Can you durability test these dodgy chargers? Like what happens loading at 1 amp for 1,2,3,4,5,6,7,8,9,10 hours or 2 amps or overload or even short circuit test. I'm curious to see what happens if you durability test them.
Probably nothing.
1 hour to 10 hour shouldn't matter since there's not much space for heat accumulation. I suspect that most heat related failures are when running them near the cutoff current, because those control chips usually include short protection.
Why don't u check good quality chargers from apple samsung mi maybe they doing the same dogy thing,????😕
People have done those comparisons and the difference is day and night. The big manufacturers don’t take _any_ risks.
How about car chargers
Dc2dc converters and stuff lol
THE TWO USB PORTS IS VERY FAEMOS IN ARABIC REGAN AND IM SORRY FOR MY ENGLISH IS 💩
put them on full 400VAC please
For what reason?
@@Konstantin_. seeing if they can handle it
@@kasel1979krettnach no household appliance/phone charger is even meant for 400vac, why do u think that this could handle it
@@Konstantin_. because it likely can.
@@kasel1979krettnach But we know it won’t, because in both of these chargers, the input capacitor is rated for 400V DC, but the rectified voltage of 400V AC is 566V (400*1.414). The cap WILL fail, and without it the charger cannot function.
For me its 2a ipad apple chargers
Why we use interference capacitor
What is the main reason
Without it the high frequency switching noise will have no return path and will instead radiate out from the cables causing EMI problems.
Basically you can think of the transformer as an nonideal isolator, because the prim. and sec. windings form a "capacitor" which can pass high frequency AC which is still part of the mains curcuit. This is so weak it can't hurt you but it will seek to return to mains earth and radiate off of everything along the way. So this interference cap is put in to short it out before it reaches the cable.
@@westelaudio943 without it
It can create any problem
@@niloypramanik3
Not really other than intruducing noise to nearby radios, TVs and other devices, but it's advisable to leave it in there. If the cap is dodgy you can replace it with an appropriate one.
@@westelaudio943 which cap is best for this(value)
This is a mess... Imagine if someone plugs two iPads and a current hungry powerbank to the second charger and have the charger fail horribly killing all the devices :I
The charger would just probably shut down. I guess this is one interesting features of these crappy supplies. May be related to the fact that the control chip gets its power from the auxiliary winding - and the loaded secondary starves it so the chip ceases oscillation.
Another failure mode - a permanent one - would be the secondary rectification diode overheating. It did happen in the past DGW's tests as well. But it's much more rare, usually shutdown comes first.
Man, with so many bad chargers I think it would be easy for average hobbyist electronic people to compete with the companies that sell these trash chargers. If real companies sell this, imagine what an average man, or woman could do with a couple of resources and small crew of people.
I never charge my valuable electronics using these cheap chargers.
They are all disasters waiting to happen.
I've kept ALL my brand name chargers, and have enough to last me a life time.
Won't be buying any of these house-burning shockers anytime soon.
I'm afraid you pronounced "two" incorrectly at 6:38
No "tyu" :(
dude his accent is hot no lie
👍👍
;8oO That transformer is scarier than my last GF... and that's saying something. THANK YOU. You are a good human (your Cat included)
Talking about chargers, I have failed "Samsung" adaptive charger that has decent quality build and not crappy like generic Chinese copies
Jde dost slyšet že jsi čech
Great content! Any way I can get your Email?
Great video, as usual! I was already annoyed that phone makers stopped including chargers to save money, and make people buy the new fast chargers to be able to use their new fast charging capability of their new phones, and blaming environmental concerns. If they actually cared about the environment that much they wouldn't aim for their phones to pass their prime 2 years after model release.
I had high hopes for the first charger when it produced 1A, and the isolation looked good on back of the PCB. But it all went downhill from there. As for the second charger, I think it is safe to assume that any charger with fancy designs that light up with LEDs is going to be Super Dodgy.
At first I thought the plastic case on the second one was already starting to shrink and crack...!