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Unfortunately I left my Nexus 7 charger in a hotel room a month ago and it has not yet been handed in. Consequently I have had to buy an off the shelf charger. One I tried stated that it was rated at 2 AMPS, and it does work, but at about 1.5-2x the charging time as the stock charger. I also noted that when using that charger the Nexus system did not say it was charging, although it obviously was.
I just obtained another charger rated at 2.5 AMPS and it performs exactly as the stock charger. Has anyone else noted this - that if the charger outputs less than 2 AMPS the Nexus 7 does not notify the use that it is charging and does so at a much slower rate?
Larry
My understanding - the charger has to let the device know it supports high current mode. Otherwise the Nexus limits it to 500 ma, which is correct for a cable plugged into a computer.
Sent from my Nexus 7 using xda app-developers app
rmm200 said:
My understanding - the charger has to let the device know it supports high current mode. Otherwise the Nexus limits it to 500 ma, which is correct for a cable plugged into a computer.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
This is true; the same method applies to samsung chargers. There has to be 5v on one of the data lines as well to let the device now it should change to high-power mode.
Search for a tutorial on what to solder together inside of the charger or buy an official samsung charger of at least 1A (I believe Galaxy S2 chargers have that output).
I tried calling Google Play device support. They said they don't replace chargers, and I should just use a standard micro USB cable and wall charger. The problem is, I have not been able to find a 1.2 Amp charger of any kind. Anything lower will charge the phone more slowly, and from what I understand, unless it's properly shorted out (I think), anything higher will not necessarily work properly with certain devices.
Can somebody please help me find a good replacement charger that won't charge the phone more slowly than the one the phone came with?
I believe Ipad chargers do 2amps, or try a 1amp charger since i haven't seen more than 880ma from my battery widget when charging it.
What about this? http://www.amazon.com/gp/product/B0073FCPSK/
USB Port 1 (Designed for Apple products) Compatibility
iPad @ 2 Ampere Max.
iPhone / iPod Touch @ 1 Ampere Max.
Others phones / GPS / Tablet etc. @ 0.5 to 1 Ampere Max. (May not support charging of some devices)
USB Port 2 (port close to LED, designed for non apple products) Compatibility
iPad @ NOT Compatible
iPhone / iPod Touch @ 0.5 Ampere Max.
Others phones / GPS / Tablet etc. @ 1 to 2 Ampere Max.
Would the non-Apple port work?
Somebody mentioned this to me on another forum: you gotta be careful with those dual chargers. sometimes the higher current port is limited to apple devices (i think they have a couple pins in the cable shorted)
What exactly does that mean? The product I linked to, does it have this problem?
Disregard, forgot what section I was in!
Just do what was suggested at LL.
that was not helpful at all. I made a topic here for a reason, LL was being completely unhelpful
I just got the blackberry 1.8 amp micro USB charger and it works great.
Sent from my Nexus 4
You mean this? http://www.amazon.com/Blackberry-Folding-Blade-Charger-Playbook/dp/B004OZMWUS
ok. Thanks.
Anybody know about that PowerGen Dual USB charger I linked to? I just remembered I actually already have one of those. It'd be nice to just use that one.
I'll be honest. I don't like that Blackberry charger because you can't remove the USB cable from it.
Get the amazonbasics wall charger is 1.2 amps.
MultiKoopa said:
You mean this? http://www.amazon.com/Blackberry-Folding-Blade-Charger-Playbook/dp/B004OZMWUS
ok. Thanks.
Anybody know about that PowerGen Dual USB charger I linked to? I just remembered I actually already have one of those. It'd be nice to just use that one.
Click to expand...
Click to collapse
Yes.
MultiKoopa said:
I'll be honest. I don't like that Blackberry charger because you can't remove the USB cable from it.
Click to expand...
Click to collapse
That's the sole reason I got it for. I don't need to remove it because this charger stays at work.
Sent from my Nexus 4
R: Looking for an additional 1.2 amp charger.
What about using The nexus 7 charter?
Inviato dal mio Nexus 4 con Tapatalk 2
hxphan said:
I just got the blackberry 1.8 amp micro USB charger and it works great.
Sent from my Nexus 4
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Click to collapse
is it a bad thing to charge the battery in this high A input.
I want to charge it fast, but I am scare if it hurt the battery...
Emama said:
is it a bad thing to charge the battery in this high A input.
I want to charge it fast, but I am scare if it hurt the battery...
Click to expand...
Click to collapse
No it's not gonna hurt the battery. The phone (or better a battery controller) controls the current that reaches the battery. So no matter how powerful a charger would be it will not charge above a certain current.
hxphan said:
I just got the blackberry 1.8 amp micro USB charger and it works great.
Sent from my Nexus 4
Click to expand...
Click to collapse
This is the one i use for all my devices!!
Very good charger!!
Sent from my iPhone 5
I know best buy has those exact amp chargers. I work in the PC department and I see them all the time. By rocketfish. They should be in with the Stylus's. Which are always with the iPad or iPad mini cases.
Sent from my Nexus 4 using xda premium
I am also looking for charger, to have 1 in home and 1 at work. Is there chance to get LG 1.2 amp Europe standart (not UK)?
1.2 amp vs 1.8
Hey guys just out of curiosity... I was wondering how much better a 1.8 amp charger is then a 1.2 amp... I have a nexus 5 my dad has a g2 he didn't even take out the g2's charger so I decided to rob His LOL and trade with him... How many minutes would be saved...
AndroidDude69 said:
Hey guys just out of curiosity... I was wondering how much better a 1.8 amp charger is then a 1.2 amp... I have a nexus 5 my dad has a g2 he didn't even take out the g2's charger so I decided to rob His LOL and trade with him... How many minutes would be saved...
Click to expand...
Click to collapse
The phone is only going to pull as much current as it can and needs so a larger charger isn't going to make any difference
Sent from my SAMSUNG-SGH-I727
Nokia AC-10x is 1.2A, it's a good quality charger.
The only legit fast chargers I've found were the free ones that came with Motorola bluetooth headsets. But the wires would fray after a few months.
I see many 2.1A chargers online but only for Apple devices. I'm having a hard time figuring out which chargers deliver 2.1A to Android devices, Nexus 4 in this case.
Can someone point me to something that will deliver 2.1A to our N4s?
Thanks.
Anker
You can find it on amazon or eBay
http://www.amazon.com/dp/B0080AWCTY/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8
http://pages.ebay.com/link/?nav=item.view&id=221195278399
Sent from my Nexus 4 using xda premium
mdh007 said:
Anker
You can find it on amazon or eBay
http://www.amazon.com/dp/B0080AWCTY/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8
http://pages.ebay.com/link/?nav=item.view&id=221195278399
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
i have this charger under a different brand and can confirm it charges a bit faster than the motorola rapid charger(mine broke too). You can get this same charger under the powergen or mediabride brand.
also 2.1 amp chargers are usually specifically designed for the ipad and will not work well with android devices, it's just that this one has a 1amp socket that works well with android.
If I understand what you guys are implying, the Nexus 4 won't charge any different whether on a 2.1A or 1A output charger?
The Anker description says it will output 2.1A to an iPad and 1A to an Android device simultaneously.
It charges at 2.1a without an issue. Its older android phones that have problems with high speed charging. Nexus 4 charges very quickly with my car charger (Anker) and my home charger, 1.8a blackberry charger.
**this one is not specifically designed for the iPad. Its actually designed for android hence the microusb output. It just has an extra USB out that if connected to an iPad, can also charge it at 2.1a but if both devices are connected at the same time, it gives priority to the iPad. OP wants it for his nexus 4. No issue, it'll charge at 2.1a
Sent from my Nexus 4 using xda premium
mdh007 said:
Pretty sure it charges at 2.1a without an issue. Its older android phones that have problems with high speed charging. Nexus 4 charges very quickly with my car charger (Anker) and my home charger, 1.8a blackberry charger.
**this one is not specifically designed for the iPad. Its actually designed for android hence the microusb output. It just has an extra USB out that if connected to an iPad, can also charge it at 2.1a but if both devices are connected at the same time, it gives priority to the iPad. OP wants it for his nexus 4. No issue, it'll charge at 2.1a
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
no android phone can accept 2.1a, only tablets specifically the ipad can accept this much current. 2.1a is the default current for the ipad. I've tried lots of 2.1a chargers and very few can actually deliver more than 6-700mA to an android phone.
this is the same as the mediabridge/powergen one just with a cable attached, the micro usb cord attach is coming from the 1a socket. If you plug a micro usb into the 2.1a socket you will get the same current(probable less since that socket is designed for the ipad) as the attached cable.
the fastest rate is 800 or 900 mA for the nexus 4 with the factory adapter. you can check using battery monitor widget. i have the ankor charger(mediabridge version) and it gives about the same current as the factory adapter.
Hey Neo,
You're right. I downloaded "current widget" and see that it maxes out at a little over 800mA.
Learned something new today..
For all those interested, this post summarizes the different charging modes for the Nexus 4:
http://forum.xda-developers.com/showthread.php?p=38665899
Sent from my Nexus 4 using xda premium
Does anyone know where to get a good 1piece wall charger with a longer cord. Or maybe even a good data/charging cable that can handle higher amps of our chargers. I'm looking for something longer than the small cord they gave us with ours phones charger. I know that not call cables are created equally though.
Sent from my Nexus 4 using Xparent BlueTapatalk 2
---------- Post added at 03:17 PM ---------- Previous post was at 03:15 PM ----------
mdh007 said:
Anker
You can find it on amazon or eBay
http://www.amazon.com/dp/B0080AWCTY/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8
http://pages.ebay.com/link/?nav=item.view&id=221195278399
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
Thank u just picked one up on eBay for 9.99 shipped to replace my old car charger that's acting up. I'm in my truck all day for work so a good USB charger is essential.
Sent from my Nexus 4 using Xparent BlueTapatalk 2
DowntownJeffBrown said:
Does anyone know where to get a good 1piece wall charger with a longer cord. Or maybe even a good data/charging cable that can handle higher amps of our chargers. I'm looking for something longer than the small cord they gave us with ours phones charger. I know that not call cables are created equally though.
Click to expand...
Click to collapse
get the monoprice 28/24AWG 6ft cable. It will still charge a bit slower than the factory cable since it's so much longer but it's better than most other cables.
neotekz said:
get the monoprice 28/24AWG 6ft cable. It will still charge a bit slower than the factory cable since it's so much longer but it's better than most other cables.
Click to expand...
Click to collapse
Thank u perfect length too. :thumbup:
Sent from my Nexus 4 using Xparent BlueTapatalk 2
DowntownJeffBrown said:
Does anyone know where to get a good 1piece wall charger with a longer cord. Or maybe even a good data/charging cable that can handle higher amps of our chargers. I'm looking for something longer than the small cord they gave us with ours phones charger. I know that not call cables are created equally though.
Sent from my Nexus 4 using Xparent BlueTapatalk 2
---------- Post added at 03:17 PM ---------- Previous post was at 03:15 PM ----------
Thank u just picked one up on eBay for 9.99 shipped to replace my old car charger that's acting up. I'm in my truck all day for work so a good USB charger is essential.
Sent from my Nexus 4 using Xparent BlueTapatalk 2
Click to expand...
Click to collapse
I bought a 10ft usb extender cable. My girlfriend is is love with it. Adds resistance so it'll charge slower than the normal plug, but it's good for when you sleep or are doing stuff around the house. Best $4 ever spent lol.
Sent from my Nexus 4 using Tapatalk 2
mdh007 said:
Anker
You can find it on amazon or eBay
http://www.amazon.com/dp/B0080AWCTY/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8
http://pages.ebay.com/link/?nav=item.view&id=221195278399
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
This car charger freaking rocks. It charged my N4 in 1 1/2 hours from 2% to 100% I highly recommend it. I never thought ID ever find a car charger that's faster than my old Motorola rapid charge but this charger takes the cake. Plus it has an extra usb port so I can charge my N7 or another phone at the same time and its a 3.1 amp charger to plenty of juice.
Sent from my Nexus 4 using Xparent BlueTapatalk 2
I use Avantek for my Nexus 4 and my iPad. Dual USB ports with one 1.0A and another 2.1A. Dunno if the specs were right but it does give full charge to my N4 when I'm using the navigation app.
I recently bought the nexus 4 and have been having a blast with it. For a little while I lost the USB charger in my house, so I started using my iPad charger for it. Since the stock nexus 4 charger has an output of 1.2 amps 5v DC and the iPad charger has 2.0 amps 5v DC would prolonged use of the iPad charger possibly affect how long the battery last since it charges it faster then normal, or am I just being stupid and its fine to use the higher amperage charger?
There is a lot of threads explaining this but I'll explain the best I can higher amp equals quicker charge however gets the battery hotter so the battery life could be affected
Sent from my Nexus 4 using xda premium
It is the phone that decides how much current to "pull", not the charger that "pushes" it.
So it's fine to use a higher-rated charger.
Sent from my Nexus 4
steviewevie said:
It is the phone that decides how much current to "pull", not the charger that "pushes" it.
So it's fine to use a higher-rated charger.
Sent from my Nexus 4
Click to expand...
Click to collapse
This info is correct. You have nothing to worry about.
Unless you go stupidly over. Like 13 amps will probably overload and Fry the charging circuit.
But at 2 amps you will be fine
Sent from my Nexus 4 using xda app-developers app
Current is not pushed... it is drawn. You could have 20 Amps available (like a typical 120V outlet). Whatever current the device plugged into it needs it will draw... nothing more.
With that said, Apple chargers do not short pins 2 & 3 (data pins) of the USB connector. Instead, they put a resistive load across them to communicate the charger specs to the device. Nexus (and most OEM Android) chargers short these pins. Some android devices, Nexus 7 for example, sense the load on Apple chargers' data pins and assume it is a computer and drops the load to draw only 500 MA. I have not tested the Nexus 4, but would assume it behaves the same way as a Nexus 7.
Okay thanks guys. I did notice it was a little warmer, but i think that might have been from the emulator on that i was using. Just wanted to make sure i was killing the overall possible battery life.
I think we should probably just have one thread about general install issues. Lets do that here
Sent from my Nexus 7 using Tapatalk
I'm in Thanks flyboy
Sent from my SM-N900P using Tapatalk
My issue is noise while charging. Happens in both my cars, completing different setups, using usb dac in 1 car and the 3.5mm in the other.
Really stuck on this, and not sure where to go to get it fixed
Sent from my Nexus 7 using Tapatalk
flyboy1100 said:
My issue is noise while charging. Happens in both my cars, completing different setups, using usb dac in 1 car and the 3.5mm in the other.
Really stuck on this, and not sure where to go to get it fixed
Sent from my Nexus 7 using Tapatalk
Click to expand...
Click to collapse
I've actually not had much noise while the tablet is charging. But im only using a car charger to charge mine and not a DC-DC since my tablet has constant power. are you using a DC-DC converter?
I've had some noise with music as per my previous postings. I decided to order the Rockford Fosgate BLD Balanced Line Driver which also has a filter in it. My reasoning was I know my DAC was outputting on the smaller side for what my amp could handle so we will see if the filter in conjunction with the voltage increase will make for better sound.
On another note, anyone made progress with backup cameras, preferably using the Febon Grabber?
I'm using a car charger in 1 car, and a pico psu in the other. Doesn't matter what i use, i have tried 2 different usb chargers, multiple cables, a dc dc converter. It doesn't matter, at this point I mm thinking it is my tablet.
Subaru:
Pico psu, uca 202 dac, alpine ktp445u, no head unit
Buick:
Palm usb charger ( best i've ever owned), 3.5mm output, pioneer 740mp, no amp. My note2 works flawlessly in this car.
Sent from my Nexus 7 using Tapatalk
Not sure if I should just order usb isolator like hifimediy sells or a new dac with one built in. Kinda sick of buying parts
Sent from my SCH-I605 using Tapatalk
Yea I would be interested to see if that fixes the issue.
Sent from my SM-N900P using Tapatalk
Im guessing it will, a normal ground loop isolator will fix it too, but it shifts the noise into distortion on my tweeters. So that really isn't fixed imho.
Sent from my SCH-I605 using Tapatalk
I also had some problems with ground loop, but i think i've fixed it.
After i have tested the DAC by plugging in a headphone, i noticed that the noise didn't come from the DAC itself, but from the analog part on the output.
I'am using an amplifier in the trunk that is very near my DAC, i just used an usb extension cable from the usb hub (near the nexus) to my amplifier in the trunk.
then i only use an 15 cm rca cable to connect the dac to the amp (high quality rca cable) and my noise is completely gone.
I just kept the analog part as short as possible and it worked for me.
flyboy1100 said:
My issue is noise while charging. Happens in both my cars, completing different setups, using usb dac in 1 car and the 3.5mm in the other.
Really stuck on this, and not sure where to go to get it fixed
Sent from my Nexus 7 using Tapatalk
Click to expand...
Click to collapse
I'm using a $15 power inverter and the stock Asus wall wart charger to power the tablet, joycon, hub, usb dac. No ground loop noise. :good:
strikeitup said:
I also had some problems with ground loop, but i think i've fixed it.
After i have tested the DAC by plugging in a headphone, i noticed that the noise didn't come from the DAC itself, but from the analog part on the output.
I'am using an amplifier in the trunk that is very near my DAC, i just used an usb extension cable from the usb hub (near the nexus) to my amplifier in the trunk.
then i only use an 15 cm rca cable to connect the dac to the amp (high quality rca cable) and my noise is completely gone.
I just kept the analog part as short as possible and it worked for me.
Click to expand...
Click to collapse
Thanks a lot for the info I might also run a USB cable under the carpet to the amp. Only want to have all the seats out once!
Gilmour509 said:
I'm using a $15 power inverter and the stock Asus wall wart charger to power the tablet, joycon, hub, usb dac. No ground loop noise. :good:
Click to expand...
Click to collapse
I tried the drok converter, that wasn't the problem. The problem is in my lte nexus 7.
I don't remember noise when I had the wifi only, so it is probably something to do with the radio and the charging circuit, or I just happen to get a subpar charging circuit. Either way my noise is originating in the nexus internal circuitry.
Sent from my SCH-I605 using Tapatalk
Is any one using a HD tuner for their installs. Specifically the directedhd tuner? I saw a 2012 installation with the tuner but nothing of the 2013 version. I have one laying around.
Anyone looking for a cheap dac? I'm going to sell my uca202. It works great, sounds good, just want to try something different. Thinking 20.00 shipped, only 2 months old
Sent from my SCH-I605 using Tapatalk
Does anyone have issues with there tablet randomly restarting? I don't get it to often but just enough to be frustrating. I running Timur's kernel but don't think it is related to that. I am guessing it is the cheap power supply I am running it off of at the moment. Anyone run into this and figure out a fix?
tjl_48 said:
Does anyone have issues with there tablet randomly restarting? I don't get it to often but just enough to be frustrating. I running Timur's kernel but don't think it is related to that. I am guessing it is the cheap power supply I am running it off of at the moment. Anyone run into this and figure out a fix?
Click to expand...
Click to collapse
Is it overheating?
Sent from my SCH-I605 using Tapatalk
Shouldn't be. I live in Minnesota and it's not to warm out yet. This morning it restarted after a minute or 2 of driving and it was only maybe 60 out.
What extras or what rom are you running?
Sent from my Nexus 7 using Tapatalk
Btw, figured out how to program my m3-atx the other day. It now shuts down after 7 seconds, i couldn't get it to go shorter than that, it allows my amp to turn off before my dac so no more popping on start or shutdown!
Just need my usb filter and i can finally mount everything. Hopefully it shows up before the weekend.
Last thing to do will be to program tasker and a few nfc tags.
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