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I ordered my Nexus One without a charger and was wondering if I could just use my iPhone USB charger with the supplied USB lead?
I'm guessing that's all the charger is right? Just a charger with a USB port or a miniUSB charger?
all nexus one orders come with a charger. They also come with a usb cable, back-slip carrying case, and a headset.
Not when you want it shipped to the UK.
It adds a charger to the basket so I just deleted it
If it is in the box I'm guessing I will still get the US charger and can just use an adaptor to use in the UK..
Actually I have used the apple iphone charger with usb cables to charge a BlackBerry 8900 and a G1. I would guess it would work for this, but its your phone and your money if you burn it out
yeah youll get a US charger then. In any case all USB chargers are the same. if you have any USB charger with a USB port, you can jsut connect your included USB cable to the charger.
Driften said:
Actually I have used the apple iphone charger with usb cables to charge a BlackBerry 8900 and a G1. I would guess it would work for this, but its your phone and your money if you burn it out
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Click to collapse
this has micro usb i believe and the charger's you are talking about are all mini-usb. not compatible.
this is not true. the side that connects to the charger itself is still all regular USB. both mini and micro USB cables have the same pinout and electrical output standard.
i know. i'm saying that the end of the cable that plugs into his G1 will NOT FIT into the nexus one because it's MINI USB and the nexus one is MICRO USB.
thats not wat hes asking. hes asking if an iphone wall charger (which simply has a standard USB port on the other end) will work.
Ohhhhhhhhhhhhhh sorry
melterx12 said:
yeah youll get a US charger then. In any case all USB chargers are the same. if you have any USB charger with a USB port, you can jsut connect your included USB cable to the charger.
Click to expand...
Click to collapse
i think your wrong with the "all usb chargers are the same"
my usb charger (micro usb) for my bluetooth headset will not charge a cliq, it its the same in appearance, but somehow it is actually different
however, the charging cable i had when i had a cliq charged my bluetooth, but I avoided it because it was obvious the 2 chargers where different.
wootroot said:
i think your wrong with the "all usb chargers are the same"
my usb charger (micro usb) for my bluetooth headset will not charge a cliq, it its the same in appearance, but somehow it is actually different
however, the charging cable i had when i had a cliq charged my bluetooth, but I avoided it because it was obvious the 2 chargers where different.
Click to expand...
Click to collapse
correct. Certain chargers have different amp ratings. For example, GPS chargers generally require higher amount of amperage than cell phones, and certainly a lot more than bluetooth headsets
the g1 charger will not work with the nexus one. I have both phones. The behold II charger will work with a nexus one phone. my gf had the behold ii phone.
ShyTownFantasy said:
the g1 charger will not work with the nexus one. I have both phones. The behold II charger will work with a nexus one phone. my gf had the behold ii phone.
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Click to collapse
You mean plug-wise it won't work right? Because I just took my USB charger, took a Mini-USB to Micro-USB converter and used the G1 charger to charge the N1 and it works.
I'm not sure about the Nexus One but I know on the N900 you could have the problem of that charger not supporting the Data pins(D+ & D-) to communicate with the device and establish a power draw rate, in which case the charger won't work with the phone. The solution was either clipping the data lines in the USB cable, or shorting out the pins in the charger. I doubt the Nexus will be that picky about chargers though.
Usb Charger
Hi,
I just have ordered mine from US. I am from Europe and i will definitely have the problem with the originally supplied charger.
As i am aware all usb ports works with the same voltage - 5V., only amp rate is different. We just need the output amp rate of the original charger and have to be careful not to exceed it. The smaller amp rates are OK (just the charging time will be more.
For example in the originaly stated data from Google says:
"Power and battery
Removable 1400 mAH battery
Charges at 480mA from USB, at 980mA from supplied charger"
Just one to confirm is the original charger amp rate 980mA as Google stated?
I think you'd better to buy a new mobile phone charger for your nexus one for safety.
Just tested plugging the N1 in directly to computer using a miniusb cable w/ microusb adapter and works perfectly. It detected the phone and did that Mount SD notification. I mounted, transfered couple GB of files w/ no interruptions. Also, it charges it like normal.
Usb standard is 5V, most chargers with usb output should be 5V. The Amp is determined by the Voltage and (electrical)resistantce, check Ohm's law.
However the chargers are probably limited to a certain amperage(max amp output). All chargers I've seen have inscripted input and output values, as long as output values are within usb standards it should be ok.
I have an iphone car charger with usb out. It stays in the car and charges my family's gadgets no mather the manufacturer/type of device, as long as it supports usb charging.
So theoreticaly it should work. To be safe check the output values on the usb charger.
If n1 came with the american charger you can check the output values of that against the iphone charger output values.
Would a simple US 2-pin to UK 3-pin plug adaptor be fine?
The few gadgets I've got with US plugs I would just buy a UK version plug but since you cant just buy these in any shops (yet) will just have to wait and see what they supply first.
Anyone here with the US charger could you post the output values please
Blackberry micro use chargers are all over the place. do any of these work adequately with our phone? Do they supply enough amps/volts?
Sent from my HTC Desire using the XDA mobile application powered by Tapatalk
without having testet this, i'd assume any USB Charger with an output of 5 Volts and 500 mA can do the job. I am using the original Charger, the one from my Sony Ericsson X1 and also a Sanyo Mobile Booster (Portable Battery Charger). They all work well
Charger from the hd2 works fine too! its all becoming very standardised now
Yeah, it's just I heard that certain chargers don't appear to work very well, with some people reporting that their phone has run out of charge when going on long journeys whilst using the phone as satnav - so using cables which employ the correct ampage/voltage could be important.
The micro USB Blackberry charger works fine on my Desire
Andy
I just got a 1 Amp one off ebay for about 3 quid. No complaints from me!
daverave999 said:
I just got a 1 Amp one off ebay for about 3 quid. No complaints from me!
Click to expand...
Click to collapse
Got the link Dave?
i'm using the HTC original charger car charger from my Touch HD, it's 2 amp and charges the phone in no time. Needed to get a mini usb to micro usb adapter from ebay though.
The Blackberry ones seem to be 0.5 amps and take ages to charge.
subharmonic said:
Got the link Dave?
Click to expand...
Click to collapse
Sorry, totally missed this. I just put 'usb charger 1a' into the search. The seller was 'arygroup'. It's not as quick as the one it comes with but it's fast enough!
The phone says it is charging from USB, whereas it doesn't with the proper charger. Not sure why yet...
I received my car holder with car charger a few days ago, it is labeled as a Moto.V8, and should output 1.5 mAh.
I don't know if it geniune Motorola charger or clone, always a surprise with eBay
Haven't tested it yet, all I hope is that it doesn't drain my phone while I'm using GPS navigation.
I've read some stories that certain chargers can charge, but when using GPS applications they will drain.
There are a couple of other posts about the same thing. Lets try and keep it to one thread. Better for updates etc
For those in the UK sainsburys are doing a 1amp car charger for 6 quid.
It includes two usb sockets, and is white.
When plugged into my desire, the phone reports that it is being charged by AC, and sat nav dosent drain the battery (in fact it still charges.)
Fon22
It's not as quick as the one it comes with but it's fast enough!
The phone says it is charging from USB, whereas it doesn't with the proper charger. Not sure why yet...
Click to expand...
Click to collapse
From another thread, it appears that the phone will only draw 500 mA unless the USB data pins are shorted together. A few minutes with a soldering iron and the charger works as well as the HTC one.
If you have any old HTC (Diamond etc) 1A chargers lying around just buy one of the Mini to Micro USB Charger Adapter Converters for 99p including p+p from ebay and use them!
I have run some tests on 500mA chargers and would be interested in hearing how someone else has got on with one (instead of a 1A).
At first I was using a 5 Volts & 500 mA Blackberry charger with a cheap micro USB cable and getting very slow charging. At first I thought this was the 500mA rating but then I got a brand new official Nokia micro USB cable and it seems to charge at a comparable rate to my official charger. I'm at a bit of a loss to explain it other than perhaps the quality of the cable has a lot more effect on charging than I thought (I don't think the data connectors have been shorted on the Nokia cable, I can transfer data fine using it)
-----
Smart Adopter - UK based tech hints, tips, news and reviews
http://smartadopter.wordpress.com
How about this:
http://cgi.ebay.co.uk/Tomtom-4A00-182-5A00-081-A05T2-05MU-USB-Wall-Charger-/310157216511
Seems to be the same output as the standard HTC mains charger..
Would this work ?
What about this one:
Input: AC 100-240V 50/60Hz 100mA
Output: 5V = 150mA
?
My HTC Desire came with UK plug and I cannot use it.
Tesco are doing a cigarette lighter splitter with a USB 5v 1A socket for £4-99.
It'll be getting a trial run down to Le Mans later.
AndyChecker said:
If you have any old HTC (Diamond etc) 1A chargers lying around just buy one of the Mini to Micro USB Charger Adapter Converters for 99p including p+p from ebay and use them!
Click to expand...
Click to collapse
I can confirm this =P. But you DON'T need to buy a new usb cord, just use the cord that comes with the desire and plug it into the Touch diamond Charger
I had the Touch diamond and Im using the touch diamond charger for this phone cuz it LOOKS way better (when i plug it in, HTC lights up ), and it charges almost twice as fast (Difference is very noticeable)
I was manically driving around to find a car charger, and EVENTUALLY found one at a Vodacom shop(in South Africa). It was made by Body Glove, and it's a 360 rotating device, with a USB port on it. The Micro USB cable that came with it is retractable, but I haven't used it. I used the cable that came with my phone. Will test it later. I drove about 200 plus miles with it, and my charge was good after the trip. My phone is still less than a week old, so the battery charge hasn't quite gotten to where it should be. Cost me about R99 (About $12)
By the way, the Micro USB connector will supposedly be the only connector on phones by 2012. It has apparently been standardized, so that people will just get a phone, but that all chargers will work on all phones. Too much waste from old chargers they say.
I recently got a new Galaxy s5 on contract. I've heard that the galaxy s5 supports fast charging with a 2.1A charger. I bought a 2.1A car charger online, but the charger doesn't work when I connect it via a regular micro-USB cable to my phone. My brother's Galaxy s4 mini charges fine on it.
I was reading something on another post mentioning the need to modify the cable itself?
Any suggestions? I have another USB car charger for an iPad, and this charger also doesn't seem to work, whereas my old 1A car charger does work, but charges very slowly.
Sent from my SM-G900H using XDA Premium 4 mobile app
Buy this one Maxboost car charger at Amazon or e-bay. Best of the best.
I was hoping to find a solution that doesn't involve buying a new charger
Sent from my SM-G900H using XDA Premium 4 mobile app
Miltzi said:
I was hoping to find a solution that doesn't involve buying a new charger
Sent from my SM-G900H using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I havent tested with my Galaxy S5, but previously I had "noname" chargers and cables, and they worked fine with my HTC One S, but didnt work with my GF's Galaxy S3.
Samsung might have made devices more "sensetive" to crap products. Try different cable (try original USB cable that came with ur phone and the charger you bought).
I tried original USB but to no avail. Perhaps this has something to do with this:
http://forum.xda-developers.com/showthread.php?t=1497864&page=2
Sent from my SM-G900H using XDA Premium 4 mobile app
The problem is most generic car chargers are designed to work with Apple products. Apple uses a non-standard way of telling their devices essentially "hey, I'm a charger." This makes "standard" devices not recognize the charger properly. The device tends to think it's plugged into a computer and only draw around 500mAh.
You can convert a USB cable into a charging cable by shorting the data pins (on the device side), or you can buy charging only cables. I've been using these cables on my S2, and now my S5: http://amzn.com/B007F1DV76 . I used a Galaxy Charging app to verify charging rate and it indicated 1.2A on both the Samsung wall-wart and cable as well as my Scosche 2.1A car charger w/ charging only cable.
LoSt180 said:
The problem is most generic car chargers are designed to work with Apple products. Apple uses a non-standard way of telling their devices essentially "hey, I'm a charger." This makes "standard" devices not recognize the charger properly. The device tends to think it's plugged into a computer and only draw around 500mAh.
.
Click to expand...
Click to collapse
Why is this? When 4 out of 5 devices are built on Android? http://tinyurl.com/qxpnyoh
I am so irritated at not having access to quality accessories for my devices. Take for example I wanted a set of great sounding headphones that controlled my mic, my tracks, etc. But, you won't find it other than Samsung's own that come with the phone. I had a great sounding pair of Seinnheisers but could not go back and forward on tracks. I plugged it into my ancient Ipod 5th gen classic and worked beautifully! For $80 I should get full functionality for my S4 or S5! My only choice is the LG Tones. Which are awesome but if my battery dies then no music or calls for me!
Frustrated!
My Klipsch earphones work perfectly changing tracks with with the inline remote.
Also my 2.1A charging won't charge my GS5 but it'll charge a GS4 and my Galaxy Exhilarate.
Sent From My Galaxy S5 Far Far Away
I followed these instructions and my car charger now charges my gs5:
mox123 said:
Anyone wanting to know how to fast charge using the usb port on your pc/laptop?
This usually takes ages compared to charging via mains lead, the hack itself is quite simple and involves modifying the usb cable
my results are as follows (these can vary depending on what you are using your phone for, what background apps running, etc.
charging with mains lead :
4.2v
998mah
mains ac
charging with STANDARD usb lead:
422mah
3.999v
standard usb
and finally the MODIFIED usb lead hack:
4.161v
782mah
usb hack
as you can see it is a 53% increase in charging compared to standard usb charging mah, and slightly under mains ac charging mah,
as my phone is always plugged in at my work pc or home pc or laptop or whatever this works out good
TUT:
use at your own risk this is for information purposes only and I hold no responsibility to any damage that may arise
using a micro usb cable (charging cable for htc phones)
cut it using a pliers half way through the cable
using pliers again cut away the thick black wiring, the red and black small wiring, and white and green wiring
from the usb port end to the microusb connect the black and red cables together so they join
from the microusb end short out the white and green cables together
from the usb port end leave the white and green cables, do not touch these
use insulation tape/solder to clean it up and then your cable is ready
I will make a mod for car chargers also soon
see attached image showing which wires to cut and which to join up and which to leave alone, if this helped you in anyway (it should help you ) then please hit the thanks button
this mod will trick your pc/laptop/htc into thinking that it is not a pc usb cable and will allow higher currents and voltage to your phone
you can check this with current widget from market place
once this mod is done, you cannot use the same cable again for pc/usb tethering or usb disk drive, only cable can be used for charging
Click to expand...
Click to collapse
Sent from my SM-G900H using XDA Premium 4 mobile app
vitnameet99 said:
Buy this one Maxboost car charger at Amazon or e-bay. Best of the best.
Click to expand...
Click to collapse
Which cable are you using with that charger?
LoSt180 said:
The problem is most generic car chargers are designed to work with Apple products. Apple uses a non-standard way of telling their devices essentially "hey, I'm a charger." This makes "standard" devices not recognize the charger properly. The device tends to think it's plugged into a computer and only draw around 500mAh.
You can convert a USB cable into a charging cable by shorting the data pins (on the device side), or you can buy charging only cables. I've been using these cables on my S2, and now my S5: http://amzn.com/B007F1DV76 . I used a Galaxy Charging app to verify charging rate and it indicated 1.2A on both the Samsung wall-wart and cable as well as my Scosche 2.1A car charger w/ charging only cable.
Click to expand...
Click to collapse
I also bought a charger (Rapid USB Car Charger, http://bit.ly/VrK8s2) that was able to charge up to 2.1 A, but when I connect my Nexus 5 (with OEM cable), I charge with speed of 500 mA. I expected least 1 A.
I'm not amused at all! End users shouldn't have to deal with this nonsense. This should work out of the box!
I have two alternative:
1. Buy this charging cable.
2. Change kernel to trick the phone to draw more power from the USB port.
This 2A charger from PowerGen has dual ports that are actually labeled for Apple and "Standard" charging. PowerGen 2.4Amps / 12W Dual USB Car charger Designed for Apple and Android Devices http://amzn.com/B006SU0SX0
Works fine with the stock cable also. I have this one in my wife's vehicle since she has an iPhone and I have a Samsung.
vitnameet99 said:
Buy this one Maxboost car charger at Amazon or e-bay. Best of the best.
Click to expand...
Click to collapse
Can't find any online store that will ship to Sweden.
Funny, none of my old $$$ dual chargers would charge my S5 for S&G picked up a dollar tree special and it charges my S5! I give up!
Goofy
http://www.amazon.com/Anker®-Dual-Port-Charger-PowerIQ-Technology/dp/B00D82O68Y/ref=pd_cp_e_1
i use old regular usb cables, charges about 1% per minute, works great!! (not using usb3 cables)
wtf black price!! lol. mine was about $10, purchased 2 when the s5 phones came out.
I heard that cables matter the most in charging. I always use cables that came with my phone and have had no issues charging my phone so far. Have used PowerGen and Avantek. Both charge my iPhone 5 and Samsung Galaxy S4 at full speed. High quality construction and seems pretty durable.
This car charger works flawlessly at 1800mAh, i have been using it for a few month now.
http://www.dx.com/p/usb-3-0-to-micr...for-samsung-galaxy-note-3-265166#.U_bg1PmSzkV
I tried at least 5 different chargers and none of them charged more then 450mAh, i was really depressed about it until i found the charger linked above. Also, the fast charging USB cable *charges on 750 - 850 mAh which is just enough to not let your phone loose battery percentage while the navigation is turned on.
Try a Special Samsung Galaxy S5 Charger
Miltzi said:
I recently got a new Galaxy s5 on contract. I've heard that the galaxy s5 supports fast charging with a 2.1A charger. I bought a 2.1A car charger online, but the charger doesn't work when I connect it via a regular micro-USB cable to my phone. My brother's Galaxy s4 mini charges fine on it.
I was reading something on another post mentioning the need to modify the cable itself?
Any suggestions? I have another USB car charger for an iPad, and this charger also doesn't seem to work, whereas my old 1A car charger does work, but charges very slowly.
Sent from my SM-G900H using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Hello,
I think you should go for a special Samsung Galaxy S5 Charger[/URL] car charger .I found a large variety of car chargers but you should look if it is the right watts that your S5 needs,maybe this is the reason why your brother phone charged and yours not
The Scosche car charger that I've been using with my old phone (HTC One m7) doesn't charger my Note 4, but still chargers the HTC.
This type http://www.amazon.co.uk/Scosche-Dual-USB-Car-Charger/dp/B00E1UWA4O/ the dual USB charger.
I've tried various cables (Note 4, another Samsung, Mini USB with Micro adaptor cables), they charge all devices, when connected to mains power.
Additionally, I've got a cheap 750ma output car charger, that was free with some eBay tat and that chargers the Note 4, obviously too slowly to be of any real use.
Does anyone else have the Scosche charger?
Should a non QC2 charger work, I'm guess it should?
Should I just buy a QC2 car charger?
The only thing I've not tried, is switching off the QC feature in the phone. But, I wouldn't think I should have to do that.
Thank you for any feedback.
********** Edit **********
Just to help anyone else in internet land who might be reading this.
I contacted Scosche and they recommend using a charge only cable to fix the issue with the Note 4 (and possibly S5).
I can't confirm this, I don't have a such a cable at the time of writing. But I might have shortly.
I use a Anker power IQ charger in my car and it works with the Note 4. Non qc2 chargers should work fine.
DarkManX4lf said:
I use a Anker power IQ charger in my car and it works with the Note 4. Non qc2 chargers should work fine.
Click to expand...
Click to collapse
yup same here... and it charges my children's Nexus 7 too..
I've been using the aukey quick car charger. Can't beat it
Sent from my SAMSUNG-SM-N910A using XDA Free mobile app
Any 1000 - 2000 mAh charger will work on our Note 4.
I've tried HTC 1000 mAh charger, even Blackberry charger & all working.
May be the Scosche pin circuitry is not compatible with Note 4, try another car charger.
I'm using Capdase 4 ports car charger (2 ports 2.1 Ah & 2 ports 1 Ah) and it charge my Note 4 quite fast even without Fast Charging capability.
Thank you all for the replies :good:
I'll try the Aukey charger.
look for a car charger that has 2.1A output rating.
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias=aps&field-keywords=2.1A+output+car+charger
Great set of cables helps too.
http://www.amazon.com/gp/product/B00O6RQP34/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
i got these, used it with the OEM note 4 charger and it recognized it as adaptive fast charging.
moabizzi said:
look for a car charger that has 2.1A output rating.
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias=aps&field-keywords=2.1A+output+car+charger
Great set of cables helps too.
http://www.amazon.com/gp/product/B00O6RQP34/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
i got these, used it with the OEM note 4 charger and it recognized it as adaptive fast charging.
Click to expand...
Click to collapse
Thank you for the reply.
I decided to get the Aukey QC2 model, which should arrive tomorrow.
I bought this 2.4 amp MiLi smart car charger... works very well. Even recognized the fast charging. Simultaneously charged my note 4 and my ipad air at good speed.
Sent from my SM-N910G using XDA Premium 4 mobile app
I use an Incipio QC2 certified 12v adapter in my car that worked fine on Kit Kat but on Lollipoop I've lost the fast charge capability, only regular charging.
Hi all,
I have a couple of micro usb car chargers and when I was using a Navigator app whilst driving somewhere my battery just died despite the charger being plugged in and showing as charging?
I bought another charger off ebay which is a usb car socket with a genuine Samsung micro usb cable. It shows as 1A output and I plugged my phone in to charge at 1% with google maps running, half an hour later it had only gone up to 2%?
What I did previously was plug the 3 pin mains charger into a 240V inverter plugged into the cigaretter lighter socket and that actually charged the phone. Any ideas why the car chargers won't charge it, does anyone know of a car charger that actually will charge the S5?
martyp78 said:
Hi all,
I have a couple of micro usb car chargers and when I was using a Navigator app whilst driving somewhere my battery just died despite the charger being plugged in and showing as charging?
I bought another charger off ebay which is a usb car socket with a genuine Samsung micro usb cable. It shows as 1A output and I plugged my phone in to charge at 1% with google maps running, half an hour later it had only gone up to 2%?
What I did previously was plug the 3 pin mains charger into a 240V inverter plugged into the cigaretter lighter socket and that actually charged the phone. Any ideas why the car chargers won't charge it, does anyone know of a car charger that actually will charge the S5?
Click to expand...
Click to collapse
buy yourself 4.8A dual usb car charger (2.4A per port).
martyp78 said:
Hi all,
I have a couple of micro usb car chargers and when I was using a Navigator app whilst driving somewhere my battery just died despite the charger being plugged in and showing as charging?
I bought another charger off ebay which is a usb car socket with a genuine Samsung micro usb cable. It shows as 1A output and I plugged my phone in to charge at 1% with google maps running, half an hour later it had only gone up to 2%?
What I did previously was plug the 3 pin mains charger into a 240V inverter plugged into the cigaretter lighter socket and that actually charged the phone. Any ideas why the car chargers won't charge it, does anyone know of a car charger that actually will charge the S5?
Click to expand...
Click to collapse
If your battery goes above the 42°C the Kernell stops charging; the consumption of the phone can be up to 700mAh, so with 1A the charge must increase in about 5% in half an hour. with a 2A charger the kernell will accept another 800mAh as much, so you can fully charge your phone in more than three hours, (whe in a fully use) but always with abattery temperature lower than 42°C
I personally use the Anker Qualcomm 2.0 car charger, no problems, I like how fast it charges even if I am heavily using it (unlike other chargers I have owned)
Excellent,thanks both. I got hold of a 2.1a charger which seems to be doing the job well at the moment. Interesting thing about the battery as I have felt it get very warm at times, not always when charging though.
I bought this [Quick Charge 2.0 Car Charger]CHOE 30W (with Most Powerful QC 2.0 Port) Dual USB Car Charger with 22AWG 3.9FT Micro USB Cable(White)
Use coupon code 88PKZDLL on checkout to save $5.45 making it only $10
actually works
I can really recommend this one: Aukey® Kfz Ladegerät 4.8A Dual Port Autoladegerät mini Car Charger, 2.4A+2.4A（4.8A max）dual Ausgänge für iPhone, iPad, Tablets, Smartphone, Navi u.a. USB-Geräte (4.8A dual Port mini Schwarz)
(Can't post the URL because of anti-spam bull****. Just search for that strink on amazon.de)
It's powerfull enough to charge a S5 and a S5 mini for example.
I have a genuine at&t 2.1 AMP car charger for my SGS5 and I never had any problems with it. It also has an extra USB port so you can charge two devices at a time (the 2 amps split to 1 amp for each device).