HDMI adapter with external battery - Galaxy Tab 10.1 Accessories

As we know by now, the HDMI adapter needs a power source to be connected for it to work. What I would be interested in knowing is, instead of plugging in the charger could we use an external battery? If anyone with the adapter and an external battery could try this out, it would be greatly appreciated.
In theory this should work but if the external battery doesn't have an output of 2A, one of those charging cables from ebay might be needed.

As nobody seems willing to test this out, I bought an external battery that uses four AA batteries and has an output of 1A. I'm happy to report that using an external battery with the HDMI adapter works just fine! No need to plug in the tab in the wall charger anymore when I want to use HDMI out.

Nice, does it charge the tablet also or is it just powering the hdmi connector?

gokpog said:
Nice, does it charge the tablet also or is it just powering the hdmi connector?
Click to expand...
Click to collapse
The tab did show that it was charging but I think I might need to return the battery, because the manual inside the package stated that it shouldn't be used to charge an iPad (same kind of power requirement) and it did get quite warm when it was plugged in. But at least I got confirmation that an external battery can indeed be used.

Thanks for testing this out. Will be valuable information when I consider buying the HDMI adapter.

oops. i meant to post this in a different thread. too many tabs open.

Related

Cradle charger with AC adapter doesn't work

Hi,
Just purchased a cradle for the universal which has a USB and an AC adapter connection.
The USB works fine for charging the Universal.
The AC Adapter connection on the other hand doesn't charge the PDA at all.
I thought I remember reading something concerning a fix for this but can't seem to find the post for it.
Any body got the solution for it or do I have a faulty cradle?
Thanks.
I would change usb cable
modem_man said:
Hi,
Just purchased a cradle for the universal which has a USB and an AC adapter connection.
The USB works fine for charging the Universal.
The AC Adapter connection on the other hand doesn't charge the PDA at all.
I thought I remember reading something concerning a fix for this but can't seem to find the post for it.
Any body got the solution for it or do I have a faulty cradle?
Thanks.
Click to expand...
Click to collapse
Did you ever find a solution to this?, I have the desktop charger jobby. The grey one that looks like a docking station. It has an ac adapter and a usb out on it .. but like you the charger doesn't seem to work.
p.s its the one with the stylus that stands up straight at the back.
Nope.....
Never found a solution for it.
Dam...
Does your original jasjar/xda exec charger work? mine doesn't.. only my 5v dc 550ma motorola charger works ... oh and the usb direct cable works..
Does you pda charge while sat in the cradle with just the usb attached?
Here's what I have working:
FYI, I have the Qtek 9000.
Original Power Charger - working
Aftermarket Car Adapter charger from Proclip - working
Aftermarket Desktop Charger (AC powered) - NOT working
Aftermarket Desktop USB plug - working
Aftermarket USB cables - working (at least the ones I've tried = 3)
Joe,
I remember reading that you should be careful of what you plug in to power up your HTC-Universal because the voltage needs to be regulated.
Also, don't even go buy those Alkaline battery powered travel charger - they don't work. I even tried with a 9V Altoid Tin Battery Charger (with the required 5V USB regulator) and it didn't work.
I just gave up and carry 2 batteries with me. Planning on getting a bigger battery later on.
Hope that helps.
modem_man said:
Here's what I have working:
FYI, I have the Qtek 9000.
Original Power Charger - working
Aftermarket Car Adapter charger from Proclip - working
Aftermarket Desktop Charger (AC powered) - NOT working
Aftermarket Desktop USB plug - working
Aftermarket USB cables - working (at least the ones I've tried = 3)
Joe,
I remember reading that you should be careful of what you plug in to power up your HTC-Universal because the voltage needs to be regulated.
Also, don't even go buy those Alkaline battery powered travel charger - they don't work. I even tried with a 9V Altoid Tin Battery Charger (with the required 5V USB regulator) and it didn't work.
I just gave up and carry 2 batteries with me. Planning on getting a bigger battery later on.
Hope that helps.
Click to expand...
Click to collapse
Thanks for the reply,
Just checked on the web and the moto charger is regulated so it should be fine to use, I was thinking that my original charger may be buggered but because my new desktop charger doesn't work either I don't know what it could be. I'll need to try my cradle with just the usb attached tonight and see if it charges... if it does thats ok .. I can live with that.
My Cradle has a built in usb cable for the pc and a separate dc in socket for the wall adapter so unless it switches between the two i'm thinking that maybe the pins for charging are hardwired to the wall adapter and the data to the pc so it will only charge from the wall and not from the pc..
Maybe I shouldn't have bought such a cheap one
Joe,
I believe I might have the same cradle as you do.
I've open up the cradle to see how the connection is soldered and the points for the ground and powered seemed soldered into the USB port correctly.
I do remember reading something concerning the pins for the USB are wired differently (last 2 pins are shorted - on the Universal-wiki I think) for powered USB charge. Maybe that's why the cradle AC charger doesn't work while the USB cable works.
FYI, I've tried putting both the AC and the USB and you'll find that having the AC in is useless....you're just wasting electricity cos the PDA is still being charged by the cable (just turn off you PC and you'll find that the PDA is not charging).
Does your cradle have the annoying blue LED?
I think all aftermarket cradles are created equal = "CRAP"
If somebody out there have a cradle that have AC that works, please post where you bought it so that others will know which one to get.
modem_man said:
Joe,
I believe I might have the same cradle as you do.
I've open up the cradle to see how the connection is soldered and the points for the ground and powered seemed soldered into the USB port correctly.
I do remember reading something concerning the pins for the USB are wired differently (last 2 pins are shorted - on the Universal-wiki I think) for powered USB charge. Maybe that's why the cradle AC charger doesn't work while the USB cable works.
FYI, I've tried putting both the AC and the USB and you'll find that having the AC in is useless....you're just wasting electricity cos the PDA is still being charged by the cable (just turn off you PC and you'll find that the PDA is not charging).
Does your cradle have the annoying blue LED?
I think all aftermarket cradles are created equal = "CRAP"
If somebody out there have a cradle that have AC that works, please post where you bought it so that others will know which one to get.
Click to expand...
Click to collapse
Sounds like I have the same cradle as you fella , I've tried the usb on its own and it seems to charge ok .. I tested it by putting a movie on and leaving it plugged in, started at 67% its now 77% so its charging through the usb.. dam it .. I could probably send the cradle back since I wanted it mainly for AC charging. Wish there was another one I could get that worked!
Thinking of getting this one instead:
http://www.addonsworld.co.uk/product.php/28408/0/
What dya think?
joe....
According to this guy on this thread:
http://forum.xda-developers.com/showthread.php?p=1097137&posted=1#post1097137
his is working just fine.
If you can return it for another one, maybe you'll get one that's working properly.
i'm thinking maybe we have pda's from the same manufacture date.. and the hardware revisions are different and thats why our desktop chargers dont work, surely its not coincidence that both of ours dont work?
And if thats the case getting another of the same won't do much good.. theres just no way to be sure about any of this, think I may just send it back and try a different one entirely
Joe,
Good luck!

Change your charger from USB to AC

I have been on the hunt for a charger for my car and home that shows up as an AC charger so that I can get a faster charge. After a bit of tinkering I have found that all you need to do to get ANY charger to show up as a AC charger is to have 5V on the standard USB + & - leads and simply connect the two data wires together. This will tell the phone that this is an AC adaptor.
I actually bought a cheapo 1A USB car charger from DealExtreme and it was supposed to show up as an AC adaptor but it didn't. So I carefully opened it up and de-soldered the resistors that were connected to the data pins on the PCB and verified that there were no more connections going to the two data pins on the USB connector (the two middle pins) and then put a small dab of solder across them. I plugged my MonoPrice USB cable into it and went to my car. Lo and behold it shows up as an AC adaptor AND actually charges at the full 1 AMP capacity!
Just wanted to share this with you guys. If people want to send me their chargers I would be happy to mod them for you (just pay shipping). I was also thinking about picking up a bunch of the USB 1A car chargers from DealExtreme, modding them, and then re-selling them. Would anyone be interested?
houseofbugs said:
I have been on the hunt for a charger for my car and home that shows up as an AC charger so that I can get a faster charge. After a bit of tinkering I have found that all you need to do to get ANY charger to show up as a AC charger is to have 5V on the standard USB + & - leads and simply connect the two data wires together. This will tell the phone that this is an AC adaptor.
I actually bought a cheapo 1A USB car charger from DealExtreme and it was supposed to show up as an AC adaptor but it didn't. So I carefully opened it up and de-soldered the resistors that were connected to the data pins on the PCB and verified that there were no more connections going to the two data pins on the USB connector (the two middle pins) and then put a small dab of solder across them. I plugged my MonoPrice USB cable into it and went to my car. Lo and behold it shows up as an AC adaptor AND actually charges at the full 1 AMP capacity!
Just wanted to share this with you guys. If people want to send me their chargers I would be happy to mod them for you (just pay shipping). I was also thinking about picking up a bunch of the USB 1A car chargers from DealExtreme, modding them, and then re-selling them. Would anyone be interested?
Click to expand...
Click to collapse
Thanks for the post! I just wanted to add to it a link which includes some more information about performing this "mod." I haven't done mine yet, but I intend to soon.
http://forum.xda-developers.com/showthread.php?t=767961
Sb22 said:
Thanks for the post! I just wanted to add to it a link which includes some more information about performing this "mod." I haven't done mine yet, but I intend to soon.
http://forum.xda-developers.com/showthread.php?t=767961
Click to expand...
Click to collapse
Thanks for that link! I didn't know if anyone else tried this yet. But I can verify that it works perfectly! The best part is that my car charger looks stock as I used 2-part epoxy to glue it back together.
i have said it before and i will say it agai , fast full 1amp charges a bad for your battery and do not allow proper charges this you get **** for battery life.
nice mods but not good for battery life
Sent from my PC36100 using XDA App
v_lestat said:
i have said it before and i will say it again , fast full 1amp charges are bad for your battery and do not allow proper charges. you get **** for battery life.
Click to expand...
Click to collapse
i heard you say that before, and i thought you were full of crap. after trying it for several charge cycles, it is plain as day. your battery charge WILL last longer from a slow usb half amp charge. seriously.
sometimes, however, it isn't worth waiting for. in a "non-primary" charging location such as a car, I can see the benefit in catching a quicker "top-off" charge.
I know your post is old, but THANK YOU MAN !!, i was having trouble obtaining only 100mAh from a AA-battery portable charger, modded a cable and now it's working so fine !!
Hmm, I could probably modify one of my short USB extension cables and cut off the data pins and keep that cable somewhere for cases where i'd prefer the turbo charge... Just snap on this usb extension cable (or maybe even an adapter) and boom you're getting the 1A charge
PS: my old WinXP box actually complains and shuts off the usb port if it sucks more than usual 500 mA, you would need to solder two usb connectors in parallel to fix that

[Q] Tried this? Proprietary - Micro USB

I've found a micro USB charging cable on ebay, where the ad says it is for the P1000(7"), and wonder if for any reason it should not work as well with the P7510(10.1") as with the P1000. (search for "P1000 micro USB")
I'm only planning to use it for charging with the micro USB charger that caem with my SGS.
Anyone whit experience or thoughts on this cable adapter?
paua__ said:
I've found a micro USB charging cable on ebay, where the ad says it is for the P1000(7"), and wonder if for any reason it should not work as well with the P7510(10.1") as with the P1000. (search for "P1000 micro USB")
I'm only planning to use it for charging with the micro USB charger that caem with my SGS.
Anyone whit experience or thoughts on this cable adapter?
Click to expand...
Click to collapse
i ordered my 3rd party cables from dealextreme.com.
just search for samsung galaxy tab.
they work for me.
Anybody else tried these cables yet?
don't just charge with anything. If you want to get a charger, get a charger. This device doesn't use a MicroUSB anything. You need at least 1amp to push anything to the device and it won't fully charge with that. You need a 5w/2a charger to accomplish a 100% charge. My iPhone USB charger will charge it. Only to 66%. It's 1a. I'm guessing your charger is too. Look on amazon. I got a charger with cable for 20 bucks. Works flawlessly. It's in bulk packaging.
X10D3 said:
don't just charge with anything. If you want to get a charger, get a charger. This device doesn't use a MicroUSB anything. You need at least 1amp to push anything to the device and it won't fully charge with that. You need a 5w/2a charger to accomplish a 100% charge. My iPhone USB charger will charge it. Only to 66%. It's 1a. I'm guessing your charger is too. Look on amazon. I got a charger with cable for 20 bucks. Works flawlessly. It's in bulk packaging.
Click to expand...
Click to collapse
I live in noway, so the U.S plug that came with the Tab is useless for me. my current solution: a 3 ft cord making the total length of my charger almost 8 ft, and i really want something that is easier to carry around. Thanks for clearing that up anyways.

Quick Charging USB Adapter... Any thoughts?

I am considering buying this usb charging adapter cable to help speed up my charging rate at work where I don't have an AC adapter and my work computer's usb ports are conveniently placed. From what I have read, normal usb charging maxes out at 500ma, but can be increased if your usb port has more juice if you short the data wires, which will tell the phone to grab more power because it thinks it is plugged into an AC adapter.
I have found this adapter http://www.dealextreme.com/p/usb-data-charging-extension-cable-for-samsung-p1000-black-91141
it is meant for a galaxy tab, but From what I see is that it has a switch that either allows data / slow charge or allows quick charging. I have purchased a few of these already because I'm assuming it will still work with my galaxy s2.
I'll let everyone know how it goes, but does anybody see a problem with this or think I'm going to fry my phone for any reason?
Thanks.
very interesting, heck it's only $3 bucks, might as well just buy it and find out
yes, charging via USB port sucks, it's too slow at 500 mAh
if that does the magic trick, by shorting it and making it believe it's an AC then it'll be nice, and it can pull around 1000 mAh off the USB port (depending on your computer mainboard)
Id be curious to see if this actually works but i see no fault in trying it
cbutters said:
I am considering buying this usb charging adapter cable to help speed up my charging rate at work where I don't have an AC adapter and my work computer's usb ports are conveniently placed. From what I have read, normal usb charging maxes out at 500ma, but can be increased if your usb port has more juice if you short the data wires, which will tell the phone to grab more power because it thinks it is plugged into an AC adapter.
I have found this adapter http://www.dealextreme.com/p/usb-data-charging-extension-cable-for-samsung-p1000-black-91141
it is meant for a galaxy tab, but From what I see is that it has a switch that either allows data / slow charge or allows quick charging. I have purchased a few of these already because I'm assuming it will still work with my galaxy s2.
I'll let everyone know how it goes, but does anybody see a problem with this or think I'm going to fry my phone for any reason?
Thanks.
Click to expand...
Click to collapse
Only the Galaxy Tablets have this limitation (they cannot be charged at all via computer usb only via their "special" wall adapter) so the adapter won't do anything for a phone. The adapter works on the tablet because what the adapter is doing is shorting 2 pins on the USB cable to fool the TABLET into thinking it is on the AC adapter "specially made" for it.
As long as you plug the phone it into a self-powered usb port (ie: a hub with a power brick) you will get max current the phone allows. The adapter will make no difference on the phone because the phone CAN charge off the PC port while the tablet cannot. It won't hurt the phone but it won't help it either.
MisterEdF said:
The adapter will make no difference on the phone because the phone CAN charge off the PC port while the tablet cannot. It won't hurt the phone but it won't help it either.
Click to expand...
Click to collapse
Thanks for the info on the galaxy tab, however I disagree with you in your opinion that an adapter that shorts the data wires will not help the phone to charge quicker.
It seems either the devices or android system itself limits charging to 500ma so it does not damage the computer, the phone itself knows that it is connected via usb, and will state "Charging: USB Plugged"
If you let the phone think it is connected to an AC adapter, it will allow the battery to accept whatever amperage you throw at it, and you will see that the system states "Charging: AC Plugged"
Obviously there are two modes of charging going on here.
See this thread:
see here:
http://forum.xda-developers.com/showthread.php?t=844284
Has anyone tried this yet?
I have found that using the Galaxy Tab chargers works the same way. They have a 2amp output vs the .5 amps that most blackberry chargers and USB use... It shortens the charge time significantly.
TMO SGS2, Darkside 3v8, Kernel Venom 3#5, UVLC8
Charger considerations
Hi,
I need advise for the following:
Charger A (Li-polymer battery) output : 5V, 1A
Charger B (Li-polymer battery) output : 5V, 500mA
Device input: 5V, 750mAH (Li-ion / Li-polymer)
When using Charger A, some people comment that it will limit the current of 750mAH for the device and the device's battery should be fine since both the charger and device are at 5V. However, some people comment that this will shorten the battery life of the device since it will perform a 'quick charge' using 1A.
When using Charger B, some people comment that the device will draw more current than it can deliver and causes it to heat up and reduces the charger's life. However, some people comment that Charger B will extend the battery life of the device since it performs a 'slow charge'.
I also read that USB pins on the charger denotes if the charger is a PC or a dedicated charger. If it is a PC, the device will limit the drawing current. If it is a dedicated charger, the device will draw more current to charge itself.
I am confused as to who is right and which charger should i be using.
Can someone enlighten me ?
Thank you very much.

Automobile Quick Charging Solution

What is the best solution for quick charging the Galaxy Nexus in an automobile?
I have started to use 12-220 volt converter so I can use wall chargers.
I have bought a few of the low profile car usb chargers but they were never recognized as an AC charge. Come to find out, it was the USB cable. I bought a usb charging cable from Amazon last week and it goes in the USB charger and the phone does not think it is a USB charge. I have not timed it but it is recognized the same as the wall charger.
http://www.amazon.com/gp/product/B003VYBCAY
ellisz said:
I have bought a few of the low profile car usb chargers but they were never recognized as an AC charge. Come to find out, it was the USB cable. I bought a usb charging cable from Amazon last week and it goes in the USB charger and the phone does not think it is a USB charge. I have not timed it but it is recognized the same as the wall charger.
http://www.amazon.com/gp/product/B003VYBCAY
Click to expand...
Click to collapse
+1 .. this solution has been working great for me, as well.
I've been getting 2.1A car chargers (look for ones for the iPad), most of the ones I had prior to this were 700mA or so and they can't keep up with my 1A phones. Be careful of dual port chargers advertising 2A, they may only be 1A each and may be "optimistic" about that rating. And don't worry about getting one rated for too much current, the Galaxy Nexus won't pull more than an amp no matter what the charger rating.
Some really good solutions here and thank you all for the help.
I'd really hate to use an inventer in my car just to maintain a clean install, so that really isnt an option for me.
Was really hoping to be able to use a off the shelf car charger with the correct pins to trick the GNexus into thinking that it was charging from a USB port, but the above solution should work well with using a socket USB charger.
I've never run into a car adapter that looks like a USB port, including the VZW charger with a spare port or the cheap 2.1A chargers I got from Amazon. My guess is that a charger not built correctly and leaving the data pins open only supports ~500mA anyway. Even if that's not the case I have a moral objection toward buying a cable to fix a design flaw in another cheap product - but that's just me
Grant H said:
Some really good solutions here and thank you all for the help.
I'd really hate to use an inventer in my car just to maintain a clean install, so that really isnt an option for me.
Was really hoping to be able to use a off the shelf car charger with the correct pins to trick the GNexus into thinking that it was charging from a USB port, but the above solution should work well with using a socket USB charger.
Click to expand...
Click to collapse
I've got a charger similar to http://www.ebay.com.au/itm/USB-Car-...ccessories&hash=item4ab18358f4#ht_1638wt_1392
All I had to do was undo the screws at the top, put a bit of solder between the middle usb pins, and my phone recognises it as a AC source rather than USB.
There has got to be a standard car charger on the market with the middle usb pins already soldiered!
I found this on Amazon which advertises itself as a rapid charging device.
http://www.amazon.com/gp/product/B000S5Q9CA
Grant H said:
What is the best solution for quick charging the Galaxy Nexus in an automobile?
Click to expand...
Click to collapse
Make sure the charger has the IC (rapid) chip. I use this one:
http://www.amazon.com/Motorola-Vehicle-Adapter-micro-USB-Charger/dp/B000S5Q9CA
I've heard that Motorola one mentioned a lot as a good one.
The nice thing about having the low-profile usb plug is (a) it is low profile, (b) I can use it to charge other devices. The charge-only cable is only about $4, so I had no issues buying it to work with this to charge as an AC charge over a USB charge.
Grant H said:
There has got to be a standard car charger on the market with the middle usb pins already soldiered!
I found this on Amazon which advertises itself as a rapid charging device.
http://www.amazon.com/gp/product/B000S5Q9CA
Click to expand...
Click to collapse
I have this one and it charges just like it does from the home outlet and its says "AC" charging. I bought another 8 for family and friends and they all love it.
I think I've figured out the disconnect, I've run into chargers that appear as a USB host which limits the charging to 500mA on previous phones I've had.
You guys are concerned about USB vs. AC charging mode. Of the chargers I've got, this one lists as AC while the rest as USB. However, the fact that the other chargers all work just fine keeping up with GPS+streaming music indicates that the USB vs. AC really has no bearing on the charge current delivered. I'd stay away from charge-only cables just because they'll get mixed in with your standard USB cables and you'll knock yourself out wondering why they don't work. On the other hand, if you really want AC in your battery info order the one I linked.
I keep it in my car... i think I've heard on other threads that USB charging doesn't keep up with GPS (for Directions). Any verify?
Sent from my Galaxy Nexus using XDA App
TheKaz said:
I keep it in my car... i think I've heard on other threads that USB charging doesn't keep up with GPS (for Directions). Any verify?
Sent from my Galaxy Nexus using XDA App
Click to expand...
Click to collapse
What's much more important is the rating on the power source. The GN can pull up to 1000mA, if your charger is only rated for 800mA (like many car chargers) it doesn't matter if it's in AC mode.
jdbower said:
What's much more important is the rating on the power source. The GN can pull up to 1000mA, if your charger is only rated for 800mA (like many car chargers) it doesn't matter if it's in AC mode.
Click to expand...
Click to collapse
makes sense.. the one I use has dual usb (1.0 and 2.1)
You went and gave me a project for the weekend, and once again science prevails over anecdotal evidence. I took each of my 5 chargers and hooked them up to a 12V power supply that measures current. I then recorded whether the charger reported AC or USB, for the ones with USB I modified a right-angle adapter to short out the data pins, and I measured the current. The contenders:
Verizon Wireless Dual Charger
XTG Dual Port Charger
Griffen Powerjolt Dual USB Charger
Griffen Portjolt Micro
CostMad Dual USB Charger
The VZW model was USB out the external port as I had tested before, however AC out the built-in cable which I hadn't bothered to test. It pulled 0.25A @12V via the USB port and 0.59A via the cable. Hmmm... A hole develops in my previous observation. While I had used this on a long car trip with no issues, it was via the built-in cable.
The XTG was new, I hadn't used it before as it's in the car I rarely drive. It reported USB and 0.22A. With the adapter to make it report AC it pulled 0.48A.
The pattern was set. I had expected the Griffen adapters to be built more appropriately but the dual charger reported 0.22A without the adapter and 0.42A with. I had used this without losing charge in the past so this was surprising to me, but it's possible I just wasn't drawing as much current because the screen was dimmer or something.
The compact Griffen adapter (which is great for a laptop bag, BTW) pulled 0.21A and 0.47A respectively.
The cheap CostMad adapter was the only one that performed well out of the box, both reporting AC and pulled 0.57A.
In theory, a perfect adapter should pull 0.42A. Anything more is waste, anything less means it's not keeping up. I have doubts about the Griffen 2x allowing for a full amp, but the VZW and CostMad chargers are pretty lossy. What's even worse is that I'm pretty sure the VZW charger is rated for 800mA (but I can't find an actual spec on it) which would mean that it pulled the most power for the least current. Not that this really matters unless you've got an electric car.
Sorry for misleading you earlier, I should have checked the other port of the known-good VZW charger and probably doublechecked the numbers on my other "known good" charger. Still hating cables that work for charging but not for data, I ended up modifying each of the chargers to short the middle pins (except for the VZW one). If I didn't have the soldering iron for this, I probably would have gone for some of these instead.
Grant H said:
There has got to be a standard car charger on the market with the middle usb pins already soldiered!
I found this on Amazon which advertises itself as a rapid charging device.
http://www.amazon.com/gp/product/B000S5Q9CA
Click to expand...
Click to collapse
CyberPunk7t9 said:
Make sure the charger has the IC (rapid) chip. I use this one:
http://www.amazon.com/Motorola-Vehicle-Adapter-micro-USB-Charger/dp/B000S5Q9CA
Click to expand...
Click to collapse
I'm using the same one and it works perfect. Charges even when GPS navigation is running.
Make sure you select Amazon as the seller though. I heard there are a lot of fake ones.
Grant H said:
There has got to be a standard car charger on the market with the middle usb pins already soldiered!
I found this on Amazon which advertises itself as a rapid charging device.
http://www.amazon.com/gp/product/B000S5Q9CA
Click to expand...
Click to collapse
+1 to those recommending this one. I have this exact model and it does indeed charge at the "AC" rate, about twice as fast as the "USB" rate.
TheKaz said:
I keep it in my car... i think I've heard on other threads that USB charging doesn't keep up with GPS (for Directions). Any verify?
Sent from my Galaxy Nexus using XDA App
Click to expand...
Click to collapse
The Motorola one will charge even when using GPS. I have a friend I bought one for that uses his GPS all day and loves the Motorola charger.

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