Develop Bugs

Dual USB Car Charger

I'm in the market for a Dual USB Car Charger; there's a million out there anybody have any words of which ones to avoid and which ones are great for any particular reason?

I have this http://www.ebay.com/itm/Mini-USB-Du...r-Adapter-iPod-Touch-iPhone-3-4-/320861775339
Let me tell you, the quality is really great. Its firm and tiny, plug it in the cigarette port and it doesnt even look like its there. Doesnt stick out. Its belkin brand, i can upload pictures later to show you how tiny it is which is good.
Sent from my SGH-T999

That one looks nice, but does it (or others that people post) do 1a output on each port at the same port? Many spilt the output to .5a each when 2 devices are plugged in and that's just not enough.

Yes. Its 2.1. It splits in half. 1.5 each port
Sent from my SGH-T999

Got one of these on E-bay last year, works a treat :
http://www.scosche.com/consumer-tech/product/1921

if your looking to charge a phone this is a good device and price
http://www.amazon.com/MicroUSB-Car-...TF8&colid=3W2KXC0F6IGLS&coliid=I3E288G8JCCDIX
I can only charger phones on this though so if you need to charge a non phone device you may want to look at another charger.

Xcor3 said:
Yes. Its 2.1. It splits in half. 1.5 each port
Sent from my SGH-T999
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Click to collapse
Not sure i understand your response. If i have 2 devices plugged in, what does each get?

lexluthor said:
Not sure i understand your response. If i have 2 devices plugged in, what does each get?
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Click to collapse
I'm not 100% sure but the max the whole unit can dobis 2.1 amps. So you will get about 1.05 amps per Usb port if you have two devices plugged in. Of course your device limits the amount of current it takes in.....
If you need something to compare it to, one Usb port on this cigarette socket charger should be as good as the stock samsung wall charger.
I just ordered two of these myself.

lexluthor said:
Not sure i understand your response. If i have 2 devices plugged in, what does each get?
Click to expand...
Click to collapse
If you have 2 devices plugged, each will get 1.5. I'm not sure about just 1 plugged in, i haven't really looked into it. I just know it works great, 1 or 2 devices plugged in
Sent from my SGH-T999

The Scosche one in my earlier post can simultaneously supply 2.1 A to a tablet / Sat-Nav or second phone etc and 1 A to a phone. It has dedicated ports for both which are clearly marked. You can of course use the 2.1 A for a second phone if required and it will supply only what the phone will take. :good:

Xcor3 said:
If you have 2 devices plugged, each will get 1.5. I'm not sure about just 1 plugged in, i haven't really looked into it. I just know it works great, 1 or 2 devices plugged in
Sent from my SGH-T999
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Click to collapse
Are you sure? The auction wording doesn't really make it clear. Having dedicated ports in a dual charger at that price would be somewhat uncommon.

Xcor3 said:
If you have 2 devices plugged, each will get 1.5. I'm not sure about just 1 plugged in, i haven't really looked into it. I just know it works great, 1 or 2 devices plugged in
Sent from my SGH-T999
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Click to collapse
so you are saying it is magic?
2.1 total, means it could output 1.05 MAX to each, not 1.5
also, to pull more than .5 amps it needs special internal wiring to tell the phone it is ok, and that wiring is different than what an iphone uses.
I bet you are pulling .5 amps on each, and do not have a full understanding of the device.

just walk to the closest Verizon Store and ask for the dual USB car charger the output is 1a per slot @ $19.99.
there's better deals online but i truly hate to wait a week for my item to arrived
Sent from my Galaxy S3

scarrmrcc said:
so you are saying it is magic?
2.1 total, means it could output 1.05 MAX to each, not 1.5
also, to pull more than .5 amps it needs special internal wiring to tell the phone it is ok, and that wiring is different than what an iphone uses.
I bet you are pulling .5 amps on each, and do not have a full understanding of the device.
Click to expand...
Click to collapse
I meant 1a each. It makes sense what you are saying. I just have others that seemed to have claimed that yet if I charge 2 phones at the same time, neither one gets enough power to charge.
I had $.50 ebay bucks expiring, so I'll just order this for $2.95 and hope for the best.

Xcor3 said:
I have this http://www.ebay.com/itm/Mini-USB-Du...r-Adapter-iPod-Touch-iPhone-3-4-/320861775339
Let me tell you, the quality is really great. Its firm and tiny, plug it in the cigarette port and it doesnt even look like its there. Doesnt stick out. Its belkin brand, i can upload pictures later to show you how tiny it is which is good.
Sent from my SGH-T999
Click to expand...
Click to collapse
I bought two of these and I just got both of them. Really quick shipping as it comes out of NJ. I have not yet used them but when I do I will post back with how it is.
I gotta say it is really small and it should be flush once installed.

I would make sure each port has the dedicated amount of power needed for each device individually, if the overall power is split between the two it could be possible for one device to draw the MAX power of the charger, if theres a fault in the phone this could happen, correct me if im wrong but genuine SINGLE chargers limit the power needed by the charging device, im not sure if the device itself can limit the power entering it
Devices will only draw whatever power is needed for them to charge, so if the overall power of the charger is reached due to two devices connected, the devices will TRY to draw what they need, this can damage the charger itself over time, and if theres a fault in the phone itself it can draw more than it needs because the charger can provide double whats needed
Sent from my amazing Samsung I9300 using XDA premium

I picked up one of these: http://www.ebay.com/itm/261075648343
Basic DC/DC Buck converter.. give it switched 12V behind the dash somewhere and mount the USB port.. no wasting the 12V accessory port.. and can close the ashtray then...
I use it to provide power to my dock in the car.. (infuse dock).. works great and looks stock.
I also have a griffin powerjolt that I can use between cars.. one port is 2.1A and the other is 1A

DarkManX4lf said:
I bought two of these and I just got both of them. Really quick shipping as it comes out of NJ. I have not yet used them but when I do I will post back with how it is.
I gotta say it is really small and it should be flush once installed.
Click to expand...
Click to collapse
I have had experience with this charger and here is some info (saying it si the griffin one they picture, and not some cheap knockoff... notice it even says griffon in the pic):
it WILL charge an S3, and an S2 at the same time (neither were navigating though...)
if you want to switch it to AC (fast charge) mode, you need to either:
a. open the case, and wire the data pins together
or
b. have a charging cable that has those pins already wired togther.
that is how you fast charge with this device. good piece of kit though, i would recommend to anyone.

Review
crabapples said:
I'm in the market for a Dual USB Car Charger; there's a million out there anybody have any words of which ones to avoid and which ones are great for any particular reason?
Click to expand...
Click to collapse
Hi,
Can you please show me your best charger you are offering. I am also looking for charger for my car.

DonnaBB01 said:
Hi,
Can you please show me your best charger you are offering. I am also looking for charger for my car.
Click to expand...
Click to collapse
I have this one.
Volmate® Certified by Apple 6.3A / 31.5W Tri-USB Port Car Charger -... http://www.amazon.com/dp/B00LIE9VR0/ref=cm_sw_r_udp_awd_Smgfub0TNYKC0
I got it for free, but when it was on sale it was for $10.98
Check out slickdeals and car chargers pop up. I have the ZL 7000mAh battery and the charger can keep up and charges my phone perfectly.
EDIT: At the time of this post 9-13-2014 @ 2119 EST This is a deal atm
http://slickdeals.net/f/7197660-2-port-iottie-rapidvolt-5a-usb-car-charger-white-or-black-7-50

Best car charger?

So which car charger do you guys recommend for the S3 that has AC charging enabled?

http://www.amazon.com/gp/product/B006SU0SX0/ref=oh_details_o02_s00_i00

http://www.amazon.com/gp/product/B000S5Q9CA/ref=oh_details_o03_s00_i00?ie=UTF8&redirect=true
rapid charger at up to 1A. best car charger on the market, especially for the price.

Does anyone know where to get a USB coil cord that would fit into this?

Personally I have the wireless charging mod done and in my car use a Palm Pre Touchstone as a charger. It looks incredibly good and clean.
It is NOT the fastest charger however (only about 500mah charge rate).
If you want the fastest charging, I would get one of the ipad car chargers. 2.1 amps of charge power will more than juice your phone.
Personally, I recommend the Griffin one: http://www.ebay.com/itm/GRIFFIN-POW...ccessories&hash=item3a779d867b#ht_2277wt_1166
You may be able to find it cheaper somewhere.

I've read in a few places that rapid charging isn't good for our batteries. Any truth to that?

The phone will only take 1 amp regardless of the charger being 2 amps. Buy a well built one and you'll be fine, they all charge the same provided they are 1 amp.
Sent from my galaxy s3

using nokia n97 car charger atm

Walgreen's $5 5v 1A usb. Compact and charges like a boss. I've used it for about 3 weeks and I don't have any issues with it. It doesn't heat up my phone at all.
Sent from my SGH-T999 using xda app-developers app

clankfu said:
I've read in a few places that rapid charging isn't good for our batteries. Any truth to that?
Click to expand...
Click to collapse
no such thing a rapid charging as the phone draws what it needs.. by "rapid" it just means it supports up to 1A charge rates..
and, i accidentally thanked your post..

tft said:
http://www.amazon.com/gp/product/B000S5Q9CA/ref=oh_details_o03_s00_i00?ie=UTF8&redirect=true
rapid charger at up to 1A. best car charger on the market, especially for the price.
Click to expand...
Click to collapse
+1 for this, I've been using this for ALL of my Android phones.

A lot of people seem to recommend that Motorola charger in these forums for various devices. I think I'm going to order one.

The Moto car charger has decent reviews on Amazon.
There any others recommendations of car chargers ?

Be careful. Bought a cheap one and found it sent dirty power that introduced noise into the audio out on my car dock.

I cant find the link but there is a 3 amp chager in the tmobile store its expensive but worth it.. a 15 minute drive gave me a 23% boost
Sent from my SGH-T999 using xda premium

Use the charger available at samsung estore with 1000mah. The best and orignal one always worth it
Sent from my GT-I9300 using xda app-developers app

http://www.amazon.com/Mediabridge-H...82189&sr=1-1&keywords=mediabridge+car+charger
I bought that bad boy. The build quality is awesome. You can twist off the cap and replace the fuse if it's blown. Unlike some other chargers you have to pry it out and possibly break it. This one can charge up to 3.1 amp on one usb port for tablets and 1.0 amp on the other port cell phones. Yes by default my phone was charging in AC mode with my sam captivate. Then i decided to modify it from one of users tip on there for permanent AC charging. No issues so far.

OEM charger output vs. high output car charger

IIRC the stock wall charger is rated at 1.8Ah. But, what is the phone's actual draw? Does it ever get up there near 1.8mAh?
I'm just trying to figure out if a car charger with "only 1000mA" will be sufficient. I'm guessing that the OEM wall charger is rated well above whatever the phone might ask for, but as to how much, I don't know.
I'm actually looking at these two right now as they both seem to give a pretty high output for both Android and Apple devices.
http://www.ianker.com/product/71AN1852C-02WA
http://www.ianker.com/anker-car-charger-usb/product/71AN15WCC-BA

My experience with other phones is that the phone draws exactly what the stock charger gives it. I'd imagine it's the same with this one. 3140mah is a lot of battery to charge.
Sent from my LG-E980 using Tapatalk 4 Beta

borgib said:
My experience with other phones is that the phone draws exactly what the stock charger gives it. I'd imagine it's the same with this one. 3140mah is a lot of battery to charge.
Sent from my LG-E980 using Tapatalk 4 Beta
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Click to collapse
I'd agree. I charged it the first couple days using the OGP wall charger and USB cable from my Nexus 4. It took all night. Switched the cable with the one in the box, and it charges in like an hour!

I have a 2.1a car charger, and the OGPro charges in exactly the same amount of time as the stock wall charger.
Oddly, it charges slower from my 2a Note II charger.

raduque said:
I have a 2.1a car charger, and the OGPro charges in exactly the same amount of time as the stock wall charger.
Oddly, it charges slower from my 2a Note II charger.
Click to expand...
Click to collapse
Which car charger do you have?
I'm looking on amazon and all of the 2A+ charges I'm finding are for Apple crap.
Sent from my LG-E980 using Tapatalk 2

scottypimpin636 said:
Which car charger do you have?
I'm looking on amazon and all of the 2A+ charges I'm finding are for Apple crap.
Sent from my LG-E980 using Tapatalk 2
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Click to collapse
Im looking at all of the chargers from Anker on Amazon. It seems they have the best positive reviews of anything I've seen. Although the 3.6 watt (white unit with either 2 usb ports or one port and a micro usb cable) unit is newer than the 3.1 (black heavy duty), the black unit can give the full 3.1 watts to either port or split it amongst the two ports. And according to Anker, either port will work for Apple or android. They suggested i get the newer (white) unit, but i want to have the full 3.1 watts available to a single port for future h higher powered devices.

I'll have to check those out. I've been looking at this one, which has good reviews on it.
http://www.amazon.com/gp/aw/d/B003RQBKLC/ref=ox_sc_sfl_image_3?ie=UTF8&m=AWZ3LXPHZK09
Sent from my Optimus G Pro using Tapatalk

scottypimpin636 said:
I'll have to check those out. I've been looking at this one, which has good reviews on it.
http://www.amazon.com/gp/aw/d/B003RQBKLC/ref=ox_sc_sfl_image_3?ie=UTF8&m=AWZ3LXPHZK09
Sent from my Optimus G Pro using Tapatalk
Click to expand...
Click to collapse
My concern with that one is that it gives a total of 2.1A. So if you charge your OGP using one usb port, there's only 0.3A left for the other port. The disclaimer at the end of the description says that if you are charging an iPad to not use the second port. I'm guessing that warning would also apply too us with the high draw OGP. It also states that the blue light gets even brighter in the dark. You might need to cover the led if it's too bright,but that's a personal taste thing,and it might not actually be that intrusive. Lastly, do you have enough room in your vehicle to rest both your phone, and the head of the charging device? I have a dual outlet 12v supplier in my car, but i bought one that has no cord. The two outlets are rigidly mounted right at the end of the cigarette lighter plug.

I bought a Griffin Powerjolt single USB at Walmart. It only charges at full speed using the OGPro's stock cable. Any other cable is slower, and the cable from my old S2 gives me a "Slow Charging" notification.
Anyway, this charger is just a stop-gap. I'm going to be hard wiring two USB plugs into my truck's 12v system (with some 5v regulators and an Add-a-Circuit).

I was looking at the 3.6A charger, here's the link on amazon.
As I expected, one port is for Apple and one for Android. This is very irritating because I need to charge my OGP while my fiance charges her OG at the same time on trips.
Can our OGP charge at full speed on the Apple port?
Edit: I just read that the kernal in Android 4.2 fixes this issue so we can charge in any USB charger, including apple chargers. I'm guessing LG devices still on 4.1 won't benefit from this update.

Shouldn't going to Settings > PC Connection > USB Connection Type and then setting it to "Charge only" force the device to see any cable as a charge only cable thus making it charge faster?

scottypimpin636 said:
I was looking at the 3.6A charger, here's the link on amazon.
As I expected, one port is for Apple and one for Android. This is very irritating because I need to charge my OGP while my fiance charges her OG at the same time on trips.
Can our OGP charge at full speed on the Apple port?
Edit: I just read that the kernal in Android 4.2 fixes this issue so we can charge in any USB charger, including apple chargers. I'm guessing LG devices still on 4.1 won't benefit from this update.
Click to expand...
Click to collapse
As per Anker, the Apple port will charge Android at full speed. I have not verified this myself as I have not gotten mine yet, but that's what I'm told, and expect. I'm waiting for their wall charger to come back in stock as the shipping will be free if l order both.

I ordered the black 3.6v version. I'll get it Monday or Tuesday since I have Prime.
Are there any apps that detect how much juice the battery is getting?
Sent from my Nexus 10 using Tapatalk 2

My LGOG PRO charges on anything with a usb port.
Sent from my LG-E980 using xda app-developers app

Jammol said:
My LGOG PRO charges on anything with a usb port.
Click to expand...
Click to collapse
Same here. I've been using the charger from my old Atrix. I may get LG's charger out of the box tonight to see if it's any faster.

RaiderDuck said:
Same here. I've been using the charger from my old Atrix. I may get LG's charger out of the box tonight to see if it's any faster.
Click to expand...
Click to collapse
I just bought a 4.2 amp dual usb car charger, so I can charge my OGP and any other device without issue.
http://www.ebay.com/itm/42-Amp-Dual-USB-Car-Charger-iPod-iPhone-3s-4-MP3-HTC-/320779507652

I just got the amzer 3.6a charger and sure enough I get the "slow charging" on the apple port. I'm going to sacrifice a usb cable and re wire it so it'll work for now.
Can't wait for Android 4.2 to fix this issue.
Sent from my Optimus G Pro using Tapatalk

stevefxp said:
I just bought a 4.2 amp dual usb car charger, so I can charge my OGP and any other device without issue.
http://www.ebay.com/itm/42-Amp-Dual-USB-Car-Charger-iPod-iPhone-3s-4-MP3-HTC-/320779507652
Click to expand...
Click to collapse
Please keep us posted as to how well it works, and if it really puts out that much juice.
scottypimpin636 said:
I just got the amzer 3.6a charger and sure enough I get the "slow charging" on the apple port. I'm going to sacrifice a usb cable and re wire it so it'll work for now.
Can't wait for Android 4.2 to fix this issue.
Sent from my Optimus G Pro using Tapatalk
Click to expand...
Click to collapse
Any info on how to rewire (Web link) would be appreciated.
What is it that 4.2 has that will fix it?

Here's the link for the charge cable mod
http://forum.xda-developers.com/showthread.php?t=1984838
Sent from my Optimus G Pro using Tapatalk

I just made the charge cable linked in the post above. It works like a charm
I also purchased This wall charger which works perfectly fine with our phone on both the "A" and "NA" port.
I'm willing to bet this car charger made by the same company as the one linked above will work also.

Looking for a full speed car charger

I'm looking for a charger that will charge my Nexus 5 at full speed. I've tried a Griffin charger as well as a Monoprice charger and both are recognized as Charging (USB) by my Nexus 5. I assume they are designed for "proper" use with an iPhone, which I know can cause those issues. I am aware of the option to short the pins on the charger, but I would really rather buy one that works properly out of the box. Does anyone have any recommendations? I searched, but everything seems to be able using a wireless charger in your car.

I have the one like this http://m.ebay.com/itm/231122308378?nav=Search used it on my Motorola and now with nexus 5 shows as charging AC

This one is awesome actually. Motorola makes the best rapid car chargers. The quality of the build is phenomenal.
Motorola Vehicle Power Adapter micro-USB Rapid Rate Charger by MotionEaze http://www.amazon.com/dp/B000S5Q9CA/ref=cm_sw_r_udp_awd_OXZjtb1WSMV0K
Sent from my Nexus 5 using Tapatalk

Lol the title is funny. I had an image in my head of a car in the shape of a charger on full speed.

puska said:
I have the one like this http://m.ebay.com/itm/231122308378?nav=Search used it on my Motorola and now with nexus 5 shows as charging AC
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Click to collapse
FuMMoD said:
This one is awesome actually. Motorola makes the best rapid car chargers. The quality of the build is phenomenal.
Motorola Vehicle Power Adapter micro-USB Rapid Rate Charger by MotionEaze http://www.amazon.com/dp/B000S5Q9CA/ref=cm_sw_r_udp_awd_OXZjtb1WSMV0K
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Those two look like they are very high profile chargers. I know I didn't specify this, but I would prefer something a little less bulky. Also, they are under 1A while the Nexus 5 charger is 1.2A. Still better than the 500mA I'm getting currently.
bushako said:
Lol the title is funny. I had an image in my head of a car in the shape of a charger on full speed.
Click to expand...
Click to collapse
No, see, that would be a full speed charger car.

http://www.amazon.com/Anker%C2%AE-Dual-Port-Charger-iPhone-Galaxy/dp/B00D82O68Y/ref=sr_1_4?s=wireless&ie=UTF8&qid=1395090537&sr=1-4&keywords=Anker+18W
I use the 18W 3.6A version of this Anker Car charger. But seeing as the 24W is $9.99 while the 18W is $8.99, might as well get the higher output one (supplies one 2.4A Apple port, and one 2.4A Android port). Here in Canada the 18W is $19.99, 24W is $21.99....
They have full Android support, so it allows full speed AC charging if you have a good USB cable. They also have versions with a built in cable, but I prefer to use my own because if the built in one breaks, you're kinda screwed.
The 18W 3.6A car charger I have charges the Nexus 5 at around 1100mA (with a good USB cable). That's perfect to still charge the phone while simultaneously using navigation, streaming music, etc.

Have you tried different cables? I'm finding the quality difference between cables makes a difference in the charging rate.

I bought an att one years ago and it's the fastest charger I've ever used in my car. You can get it on amazon for about $8 shipped.
Sent from the jaws of my Hammerhead!

I bought this one a week ago. Only $6 and its fantastic. It charges my nexus 5 and 7 at full speed. http://www.amazon.com/dp/B007QRX54S/ref=cm_sw_r_udp_awd_19-jtb0GNAHB3
Sent from my Nexus 5 using XDA Premium 4 mobile app

M8 - Max charging current with MHL adapter and battery life

Hey guys,
I currently own a SG4 and briefly tried the older HTC One, but returned it because it didn't meet my specific needs.
I use my phone in conjunction with an APPRADIO headunit so max charging current, battery life as well as a fully functioning MHL adapter (capable of supporting 2amps) is required.
Currently my SG4 has no problems keeping up with current draw and can even charge while in use, however the M7 I tried could barely make it half a day. The only reason I'm comtemplating replacing my Sg4 is due to a BT compatibility issue with Samung and APPRadio that causes BT drops, hence causing me to lose control over the screen via headunit.
My questions to you guys are:
Can you guys charge your M8's at 2 amps?
Can you charge at 2 amps with an mhl adapter installed?
How does the MHL adapter work for you guys?
If you can charge at 2amps, does it require a custom kernel (fast charge)?

Anyone?

tsitalon1 said:
Anyone?
Click to expand...
Click to collapse
Some people have used 2a chargers yes ..The BlackBerry playbook charger is 2a and works fine....as we have no official 2.0quick charge yet.....M8 is far superior to S4..'
Sent from my SM-P600 using XDA Premium HD app

GalaxyNotesTx said:
Some people have used 2a chargers yes ..The BlackBerry playbook charger is 2a and works fine....as we have no official 2.0quick charge yet.....M8 is far superior to S4..'
Sent from my SM-P600 using XDA Premium HD app
Click to expand...
Click to collapse
But does it actually charge at 2amps with a MHL adapter plugged it?

tsitalon1 said:
But does it actually charge at 2amps with a MHL adapter plugged it?
Click to expand...
Click to collapse
That I could not say.. I don't use mhl on my phone....just on my tablet.
Sent from my SM-P600 using XDA Premium HD app

Just to clarify, I'm not taking about QC 2.0, just standard charging at 5v 2a through a MHL adapter.

It won't charge at any higher a rate then the phone is designed for. No matter the charger.

KJ said:
It won't charge at any higher a rate then the phone is designed for. No matter the charger.
Click to expand...
Click to collapse
Doesn't answer my question at all.
Phone was designed to charge at QC 2.0, which is much faster than 5v 2a.
All I'm asking is if someone is actually getting 2a charging with a mhl came connected.

Good luck! ?

Just wanted to chime in about your setup. I have a very similar one in my car right now, however, instead of an appradio, i'm using mimicsX2 and the stock radio's video input. But i'm typically running media apps, streaming, screen on, etc. Instead of an MHL connection though, i'm using a wireless miracast adapter (push2TV). So far, it's been amazing. I can still charge the phone while using all of that and while it does get a tad warm, it's not enough for it to be much of a concern. I've read that people have hooked up miracast adapters to appradios and that it does work fairly well. The only downside i've seen so far is a ~half second delay with interactions. But to directly answer your question, in my experience, charging isn't an issue.
EDIT: Forgot to note one other thing you might want to know about MHL. It seems like only stock-based ROMs work with it, and the adapters are quite limited. If you get an adapter that is MHL 1.0 it makes the phone run at 24 or 30 FPS and the UI lags like crazy. However, all of the 2.0+ adapters all seem like they are the short variety, so if you're trying to hide the adapter somewhere in the car and just run the one wire out, you may need to buy an extender. ALSO, note that the M8 uses standard MHL and NOT the proprietary 11 pin one that Samsung uses.
EDIT2: Looks like monoprice has them on sale today for ~$7 (double check that this is MHL2.0 though) http://www.monoprice.com/Product?c_id=108&cp_id=10833&cs_id=1083314&p_id=8675&seq=1&format=2

I think the software only allows the mate to charge at 1500ma tops as of now.

Really unsure, because the stock charger provides 1.5A of current. I don't have a 2A charger to test, sorry.
Sent using Tapatalk