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What external battery are you using???

WHAT EXTERNAL BATTERY ARE YOU USING???
I am deciding to get a external battery for 3 reasons.
1) I forgot my charger a few time, thinking my old one works on new phone.
2)Otterbox will not fit with extended battery. (That's when it comes out for this phone.)
3)I like to keep my phone as light as possible.
What external batteries are you using???
Would you buy the model and brand again???
Knowing what you know now after using for a while. Are you happy with your purchase???
Thank you for looking.
Sent from my LG-P999 using XDA Premium App

I didnt buy an external battery but I did buy 3 replacement batteries and a battery charger. I dont like extended batteries either. Too bulky.

jrharvey said:
I didnt buy an external battery but I did buy 3 replacement batteries and a battery charger. I dont like extended batteries either. Too bulky.
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Click to collapse
same here.
But I do have the energizer xp4001 that i use for various other devices. it works well. charges my phone at 950mah, much faster than many models that seem to only output 500mah.

samklee said:
same here.
But I do have the energizer xp4001 that i use for various other devices. it works well. charges my phone at 950mah, much faster than many models that seem to only output 500mah.
Click to expand...
Click to collapse
Does that one have micro usb connector?
Sent from my LG-P999 using XDA Premium App

I have Veho pebble 5000mA/h. The capacity seems legit.

I'm trying to find out what type of battery is in the Veho Pebble XT, any idea?

shilent said:
I'm trying to find out what type of battery is in the Veho Pebble XT, any idea?
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Click to collapse
http://www.jr.com/veho/pe/VEH_VCCA008PBPX/
http://www.jr.com/veho/pe/VEH_VCCA007PBP/

mingkee said:
http://www.jr.com/veho/pe/VEH_VCCA008PBPX/
http://www.jr.com/veho/pe/VEH_VCCA007PBP/
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Click to collapse
I don't see anything about what type of battery tech it's using. anyway I ordered one from Amazon, I need it ASAP for a trip.
Sent from my LG-P999 using XDA App

i just received this yesterday. haven't used it much yet. but will give feedback when i do.
http://www.amazon.com/gp/product/B003F2Z8FM

I use a zagg sparq. Been good so far and has 2 USB slots so I can charge multiple devices.
Sent from my LG-P999 using XDA App

I received my Pebble XT today and on the back of the device it says Polymer Li-ion.

jrharvey said:
I didnt buy an external battery but I did buy 3 replacement batteries and a battery charger. I dont like extended batteries either. Too bulky.
Click to expand...
Click to collapse
where did you buy your batt and charger?
Sent from my LG-P999 using Tapatalk

I think I'm going to put together a Mintyboost or something similar unless an 1800 mAh battery that doesn't require a new caseback comes out.

i use this generic tmobile battery ignore the pretty purple car charger plug i have plugged in i leave it in my work van
there is nothing as part numbers or product name it has a small switch that goes from phone to battery and a mini usp to charge the battery and full size usb to charge the phone
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With detective work I found a link.
http://www.wirelessground.com/portbattchar.html
Sent from my LG-P999 using XDA Premium App

I use this for an external power source:
http://www.smarthome.com/50619/Lumi...er-for-Lithium-and-AA-or-AAA-Batteries/p.aspx
I just use old cell phone batteries. I have alot of G1 batteries that I've collected lol. Might as well put them to good use. I use this, only if I know that I am not going to be charging my phone for a long period of time. Before I bought this, I used 4 AA NiMH connected to a female usb plug.

I have a Powermonkey Explorer. It's a bit pricey, although I received it as a gift. It came with various tips for things like an iPod.
I had to buy a $2 mini-to-micro USB converter tip on Amazon to use it for my previous phone (Blackberry) and now the G2x.
It charges the phone pretty well and came with a solar panel which I only tested (works fine), but haven't found personally useful yet.
https://powertraveller.com/iwantsome/primatepower/powermonkey-explorer/

Wow, that's is definitely out if my price range. But it super cool setup.
Sent from my LG-P999 using XDA Premium App

1800 capacity battery on Amazon for 14.95. Just ordered one. It says they have 19 left. Does not require different cover.
Edit: link http://amzn.com/B0051BNXXE.
Update: a few hours later the price has apparently gone up to 24.95

allofusjw said:
1800 capacity battery on Amazon for 14.95. Just ordered one. It says they have 19 left. Does not require different cover.
Click to expand...
Click to collapse
Link please.
Thank you.
Sent from my LG-P999 using XDA Premium App

my battery life solution

Well my battery life is pretty good, I have the 2750mah and I'm running lightning rom 1.5 with the stock kernel and I get a solid 2 days, but just in case I ever decide to go back to the stock battery I made this nifty little thing. It's an altoids case with a portable charger and adapters inside, and the parts list is as follows:
1x 1N4742A 12V Zener Diode $1.59
Model: 1N4742 | Catalog #: 276-563
1x 6V 50mAh Solar Cell Encap $14.99
Model: 277-1205 | Catalog #: 277-1205
Both of which are available at radioshack, I also had to cut up an old mini-usb cable for the input.
Let me know what you guys think!

Lol that is awesome. How long for a full charge?

I haven't tested how long the solar panel will take to charge the battery in the case, but the battery is only 1000mah, so I get another 30% in about an hour, hour and a half ish
Sent from my ADR6400L using XDA App

quite clever indeed what would happen if you used a couple solar panels in parallel?

I was thinking about it, at 14.99 a piece I just might. They produce 50ma each, so a second in parallel would be 100ma and charge twice as fast.
Sent from my ADR6400L using XDA App

Wow that's badass. You should consider marketing it
I've often wondered why no one has made a phone case with photoelectric cells that continuously charge your phone.
Sent from my ADR6400L using XDA App

there are not alot of times when i am not near electricity but i agree for those times when i am this is a sweet idea... camping over the weekend comes to mind.

i wish i had the money/time/resources to bring this to market, it is perfect for camping lol, my fiancee and i spend a week in the catskills every summer and im definitely bringing this along this year

Very nice . there is a solar charger in the market but who know how much time the charge.

I went a slightly different route. My Altoids charger will charge any USB device from a readily available 9v battery and one battery will get you several charges.
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It has a standard USB port on the end and the red LED indicates when the charger is turned on. A simple switch on the side turns it on and off and it's regulated to 5v like any USB port.
And then my wife completely forgot that I built it and bought me one of these for x-mas.
It's called a Powerstick and has a small lithium battery inside that charges from any USB port, and comes with a bunch of small adapters to fit many different USB devices. The Powerstick cost about $25 + shipping, but the Altoids charger cost me about $15 to build, including having to replace the voltage regulator once after accidentally smoking the first one during assembly. The Powerstick is slimmer, but the Altoids charger wins for geek factor. Also, the powerstick needs charged off USB, whereas I can walk into almost any gas station or Wal-Mart and buy a 9v battery. So the Altoids charger wins on long trips.

Dude make me one n I'll buy it from u
Sent from my ADR6400L using XDA App

Dangerous Dave said:
I went a slightly different route. My Altoids charger will charge any USB device from a readily available 9v battery and one battery will get you several charges.
Click to expand...
Click to collapse
I want this so bad. I'm gonna have to figure out how to put one of these together for myself.

Dangerous Dave said:
I went a slightly different route. My Altoids charger will charge any USB device from a readily available 9v battery and one battery will get you several charges.
It has a standard USB port on the end and the red LED indicates when the charger is turned on. A simple switch on the side turns it on and off and it's regulated to 5v like any USB port.
And then my wife completely forgot that I built it and bought me one of these for x-mas.
It's called a Powerstick and has a small lithium battery inside that charges from any USB port, and comes with a bunch of small adapters to fit many different USB devices. The Powerstick cost about $25 + shipping, but the Altoids charger cost me about $15 to build, including having to replace the voltage regulator once after accidentally smoking the first one during assembly. The Powerstick is slimmer, but the Altoids charger wins for geek factor. Also, the powerstick needs charged off USB, whereas I can walk into almost any gas station or Wal-Mart and buy a 9v battery. So the Altoids charger wins on long trips.
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Click to collapse
thats sick, i like how the battery is replaceable, you could even use a rechargeable 9v and a solar panel to recharge it XD
mine has a standard usb as well, i just didnt show the proper angle lol, its in the pic below. the portable charger inside mine is an energizer xpal1000

I am FAR too stupid for this crazy ass thing. lol

Dude you need to make a Youtube video on how to make this! You can even charge your phone while is in your pocket!!! (i don't know how safe that is but sounds super awesome!)

chepo84126 said:
Dude you need to make a Youtube video on how to make this! You can even charge your phone while is in your pocket!!! (i don't know how safe that is but sounds super awesome!)
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Click to collapse
i just took a little ingenuity and the info from this instructables post, nbd
http://www.instructables.com/id/How-to-make-a-Solar-USB-charger-simple/

krickatthedisco said:
I was thinking about it, at 14.99 a piece I just might. They produce 50ma each, so a second in parallel would be 100ma and charge twice as fast.
Sent from my ADR6400L using XDA App
Click to expand...
Click to collapse
It really depends on how much sunlight you have. Volts X watts determines the time it takes to charge. I am building mine tonight, and my calculations indicate about 8 hours for a full charge in bright sunlight.
Sent from my ADR6400L using XDA Premium App

Anker Slimtalk

Checkout this Anker Slimtalk on Amazon..
http://www.amazon.com/gp/product/B0054V7GOI
Supplies auxiliary power to devices like cellphones. Specs on the Amazon ad state it is compatible with the HTC Sensation. I ordered one and saved $9 using the coupon code: ANKERSWT, which is good until 08/31. My final cost $22.66

I bought this product, but I personally wouldn't really recommend it.
The good:
- Easy convenient to recharge phone
- Include MicroUSB within the unit itself - no extra wires need to be carried
- Included flashlight
- Slim, sleek design
The bad:
- Battery charge remaining hard to see in the sun
- Requires a long time to recharge back to full
- Is supposed to have a 3200 mAH battery life, aka 2 recharges, but barely gives me 1.25 charges on a OEM battery
However it is really cheap at $21.

Expecting two recharges from a 3200 mAH source is completely unrealistic due to fact that energy transfer across such media is never efficient.

anker slimtalk
I got my anker slimtalk yesterday, it looks good, supper slim, easier to take than having an extra battery and having to open up the phone and replace it. And it charge fast as well.
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Just got one from Amazon for like $20. I'm doing a conditioning right now. And yeah I'm sick LOL.
Sent from my SGH-T989 using XDA

I've been using this for about a month now. I can say that the plug is off and on, meaning it doesn't seat too well and can be charged in a certain position, users may vary. But when it works, it's a handy thing to have just in case you need an extra boost.

I got something very similar in design and size from a local super market (Asda).
It has a 5000mah battery and 2x USB ports on.
Was £8.
It's now gone up to £15:
http://direct.asda.com/eKit-Portable-Emergency-Battery/000509836,default,pd.html
Phil

philje123 said:
I got something very similar in design and size from a local super market (Asda).
It has a 5000mah battery and 2x USB ports on.
Was £8.
It's now gone up to £15:
http://direct.asda.com/eKit-Portable-Emergency-Battery/000509836,default,pd.html
Phil
Click to expand...
Click to collapse
Yes similar, but the anker has the cord built in. That was the buying factor for me.

kpjimmy said:
Yes similar, but the anker has the cord built in. That was the buying factor for me.
Click to expand...
Click to collapse
did you try doing a double charge using the built in micro cord + an external usb cord? this is good for sharing a power source otg.

just a lol info on the anker slimtalk. I did about 3 charging cycles and then put it to the test. I drained my mugen 2600 mah on my hd2 to 3% and connected the slimtalk. I was able to charge to 75% before the slimtalks juice ran out. I'm no math expert but all I got was 72% of 3200 mah. still the slimtalk satisfies my needs for emergency power.
Sent from my SGH-T989 using xda premium

emcn84 said:
just a lol info on the anker slimtalk. I did about 3 charging cycles and then put it to the test. I drained my mugen 2600 mah on my hd2 to 3% and connected the slimtalk. I was able to charge to 75% before the slimtalks juice ran out. I'm no math expert but all I got was 72% of 3200 mah. still the slimtalk satisfies my needs for emergency power.
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
I wasn't really expecting the slimtalk to keep my device at capacity. Just to have enough juice ICE.
I do love it for being thin enough and light enough to fit in my back pocket on the go. I have enough crap to lug around when going out, especially with a 3 year old.

kpjimmy said:
I wasn't really expecting the slimtalk to keep my device at capacity. Just to have enough juice ICE.
I do love it for being thin enough and light enough to fit in my back pocket on the go. I have enough crap to lug around when going out, especially with a 3 year old.
Click to expand...
Click to collapse
yeah im in the same boat as you. i keep in in my tablet bag when i go to work. i have a lil correction on my post though. i said 72% of 3200mah when i meant 72% of 2600mah. (mugen battery = 2600, on a 3% charge it went to 75%) that would make the slimtalk roughly a 2000mah power bank and not a 3200mah. thats unless it takes roughly 1200mah just to transfer the juice over.

The problem you've highlighted there is present in all these devices.
The battery that is rated at 3200mah is running at 3.7v. The device then has to up that voltage to 5v to input into the phone to then charge the phones 3.7v battery.
With my 5000mah charger I can get just over a couple of charges out of it. Very handy when away from a power source for a couple of days etc.
Phil

Why don't you guys just buy an extra battery with an external charger. Wouldn't it be easier than carrying that around?

qpqpqp said:
Why don't you guys just buy an extra battery with an external charger. Wouldn't it be easier than carrying that around?
Click to expand...
Click to collapse
you have a point but a way to answer that is to say... what if you need to charge anything else that takes a usb cord. (bluetooth headset, ipod, zune, tablet, a friends phone.) i like nerdy things like this charger bank.
dont try this at home! slimtalk+usb hub+hd2+i9000+t989 lol. mind you that your only going to get a 15-20% charge on each

emcn84 said:
you have a point but a way to answer that is to say... what if you need to charge anything else that takes a usb cord. (bluetooth headset, ipod, zune, tablet, a friends phone.) i like nerdy things like this charger bank.
dont try this at home! slimtalk+usb hub+hd2+i9000+t989 lol. mind you that your only going to get a 15-20% charge on each
View attachment 944136
Click to expand...
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Holy crap! Pick a device! LOL

Can anyone help me with a site which will deliver it to India?

not bad, might check it out

For some reason, the charge dissipates quickly even when not in use. It seems that it loses 25% of battery life every day or two.
I fully charged it, then plugged my phone in a few days later in an emergency. It clicked at 50%.
As of now, I wouldn't recommend this device. I'd say, buy an extra battery instead. Anker batteries are good but this is crap.

Sepharite said:
For some reason, the charge dissipates quickly even when not in use. It seems that it loses 25% of battery life every day or two.
I fully charged it, then plugged my phone in a few days later in an emergency. It clicked at 50%.
As of now, I wouldn't recommend this device. I'd say, buy an extra battery instead. Anker batteries are good but this is crap.
Click to expand...
Click to collapse
That's weird because I don't charge my slimcharger every day. It's been sitting on my dresser for over a week and everytime I get dressed in my closet (walk in) I press the button to see if it did dissipate at all and mine still shows full even after a weeks time.

portable charger, solve your battery issues once and for all!

i do alot of snowboarding, which typically involves alot of battery being used for my headphones/ internet radio and gps trail maps. there are also alot of situations where i am not able to have access to an outlet when needed. the one s has fairly decent battery life for a smart phone, but lets be honest, smart phone batteries suck. rather then mess with roms and optimizing battery life to squeeze an extra hour or 2 of usage i decided to just grab an external battery. i also dont like having much bulk in my pocket so i wanted something slim that was close to the same dimensions as the one s.
what i bought is the ultra slim touch control 4000mah mobile charger by power rover off of ebay for $39.99. its roughly the same width and thickness as the one s and is about 1.5cm shorter ( 65X115.5X7.5mm). its also constructed of aluminum so it matches the phone well. its got a nice heavy weight and feels solid and not cheap in any way. it has a similar feel and shape of an ipod classic.
the charger uses the same micro usb as the one s for charging, then it uses a standard usb port for the power output. the charger comes with a small usb to micro usb cable roughly 6" or 8" long, and also comes with a few adapters for different charging ports. the great thing about the included cable is that it can be used to charge the charger, then flipped into the outlet port and plugged directly into the one s so you shouldnt need to mess with multiple cables. i wouldnt say the cable is very high quality but should get the job done for a while.
ive now had some time to play with it an get an idea of the performance. the charger will fully charge in about 4 hours, and charges the one s in a similar amount of time as using the usb adapter. after completely draining my phone to the point where it wont power on anymore then plugging in the charger i was able to get 1.56 charges with practically zero use on the phone. in real world terms id bet you could get a full charge and a little more if you had heavy usage while charging. im a little disappointed as i was hoping for 2 full charges but its still completely usable. i dont have any other experience with portable chargers so i cant really compare its claimed output and real world figures. another small problem is the battery status is completely inaccurate. the charger drained to "25%" within 45minutes of charging, however that last 25% was able to finish off that charge, then charge a 2nd time to 56% so should be taken with a grain of salt.
with the phone stacked ontop of the charger its approximately 5/8" thick, and with it stacked using my distronic case its about 3/4". not exactly thin but pretty impressive considering it can extend your use about 1.5 times and your average cell phone was that thick (or larger) not to long ago.
im not sure if im allowed to post ebay links here but it can be found fairly easily.
to sum up
great build quality
solid feel
inaccurate battery display
decent performance
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Dude cut your thumb nail!
Looks interesting and would like to hear how many chargers it manages. Looking at it some small plastic grips could be glued on to use it like a phone cradle which can be picked up cheap on ebay then modded for purpose. Depending on how it performs I may get myself one of these.

updated

please delete...

Agreed this is the way to go. I bought a 9900 mAh that has 2 usb outputs. As I also have a smartwatch.(what I really bought it for LOL) anyways glad someone else also decided to try these things out. I love my portable charger if people are interested ill do a review of mine
Sent from my HTC One S Special Edition using xda app-developers app

Roundtableprez said:
Agreed this is the way to go. I bought a 9900 mAh that has 2 usb outputs. As I also have a smartwatch.(what I really bought it for LOL) anyways glad someone else also decided to try these things out. I love my portable charger if people are interested ill do a review of mine
Sent from my HTC One S Special Edition using xda app-developers app
Click to expand...
Click to collapse
Yeah definately will be good to see the comparision of different models.

Ok say no more. I'll take pictures tomorrow before work and then the complete review will be up tomorrow night.
Sent from my HTC One S Special Edition using xda app-developers app

These portable battery chargers are great. I had picked on up from frys after killing my battery in a half day taking and streaming pictures for an event I went to. I can't remember off the top of my head who makes it, but I can get almost 3 charges out of it. It also has the second usb port for a tablet.
I can look at the model when I get home if anyone is interested.

http://dx.com/p/mkpbst-002-4000mah-...ank-charger-for-iphone-4-4s-more-black-176218
Isnt this one the same as yours (except that it's black)? For only 23.20 USD, free shipping.

The mine doesn't work
I haver recently purchased a power bank MKPBST-002. However, when I received it, I plugged it int an outlet for first charge but it apparently did not work. I tried to charge the power bank both in power and laptop but any led switched on. Could you help me to start up my power bank?
Thank you.

What about new chargers? no posts quite long time

$40 USB "Qi" charger found

Couldn't find this in a forum search
http://www.fasttech.com/products/1154/10001946/1215400
Says Qi and works with N4, but can't find it in the Qi site and there's no Qi symbol on it, so probably not approved (but neither are all the N4's currently out there [pre-rev 12])
$40 shipped and could be the basis of an in-car solution...
Anyone tried it?

http://forum.xda-developers.com/showthread.php?t=2074862
Same item it looks like just different description and what not - from the same vendor.

parker09 said:
http://forum.xda-developers.com/showthread.php?t=2074862
Same item it looks like just different description and what not - from the same vendor.
Click to expand...
Click to collapse
Yup, I (re)found the USB version.

Fasttech USB Qi Charger
Ordered mine today, says 10-14 days shipping directly from fasttech. When I get it ill throw up some pics and a review on how it works.

WibblyW said:
Couldn't find this in a forum search
http://www.fasttech.com/products/1154/10001946/1215400
Says Qi and works with N4, but can't find it in the Qi site and there's no Qi symbol on it, so probably not approved (but neither are all the N4's currently out there [pre-rev 12])
$40 shipped and could be the basis of an in-car solution...
Anyone tried it?
Click to expand...
Click to collapse
On an unrelated note, I've never heard of this website before, it looks very promising! I have a feeling I will be throwing my money at my screen soon.

Looking forward to a review!

wow. this looks very clean OP.
anticipating some pictures and review.

More detail and N4 references here
http://mcpower2012.en.ecplaza.net/2013-5v-usb-qi-wireless--356088-2839504.html

Found another thread for something very similar: http://forum.xda-developers.com/showthread.php?t=2074862

Efficient output is just 500-700mA? Too small to charge N4?
I thought the standard one is around 1A or over.
Thanks.

500-700 mA is perfectly ok for charging. When you charge from a computer via USB, the max current is 500 mA unless you use kernel tweaks.
Sent from my Nexus 4 using Tapatalk 2

ma678 said:
Efficient output is just 500-700mA? Too small to charge N4?
I thought the standard one is around 1A or over.
Thanks.
Click to expand...
Click to collapse
It's got to depend on the output (mA) the USB power adaptor has to offer too. They even show it connected to a laptop USB port. So I think it WILL charge, but maybe significantly slower than a direct power connection.
By using a lower output USB power supply, sounds like you might be able to trade charge speed with temperature rise. If so it may be ideal as a charger to keep your phone topped up. Kind of like a low power trickle charger, which would be fine if my phone is on it most of the day... I actually don't like the idea of Qi chargers that make the phone get hot - seems to be trading convenience and wear on the phone's USB connector with reduced battery service life as it keeps going through nasty heat cycles?
Decided to risk it and order one
Sent from my Nexus 4 using Tapatalk 2

jkoljo said:
500-700 mA is perfectly ok for charging. When you charge from a computer via USB, the max current is 500 mA unless you use kernel tweaks.
Sent from my Nexus 4 using Tapatalk 2
Click to expand...
Click to collapse
not sure about that, it might charge If your not doing anything, but say if using gps it might not supply enough juice to charge fast enough
Sent from my Galaxy Nexus using Tapatalk 2

BrianDigital said:
not sure about that, it might charge If your not doing anything, but say if using gps it might not supply enough juice to charge fast enough
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
I agree, Used in a car with GPS on, maybe pulling 3G data for maps, bright screen, etc., it's likely that despite this charger, the phone will slowly go flat. And get hot doing so... All that energy from the battery/charger has to go somewhere - mainly heat once the battery is charged. If the phone's consuming, say 750mA at around 4.1v battery voltage, that's around 3W of heat to dissipate.

I am investing time looking for a Qi charger but that problem appears to be present on several cheap alternatives, the current they supply is not enough, or you might expend a couple of extra hours charging your phone

Just a quick update, ordered from fast tech on Jan 29th and received shipping notification today (Jan. 31st), registered airmail with tracking from Hong Kong post.
Sent from my Nexus 4 using xda app-developers app

I do have this wireless charger. Ordered from aliexpress, it's always the same with different branding and logos.
It does the job, charging.
But:
Need to be very precise when positioning it
Back glass make the phone sliding, and cancel all the effort offered in the above point, making the phone not charging
I recommend to wait for a charger with more than only one wireless charging chip/antenna.

Ok I have this charger now. On first charge and working ok so far... Seems to be best in this position. Has now cut off an an indicated 99%...
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Lining up the edge of the charger with where the bottom of the LCD is, seems reliable. Using an XtremeGuard style protector on the back, which gives enough friction to stop sliding if the charger is horizontal and the phone vibrates.
Above is FastTech image. I'm using stock N7 charger and cable at the moment because it was handy. Unit came with a USB charger and cable (with EU plug - I'm UK based)
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Picked up phone and used it to 98%. Returned to charger and it charged back to 99%, but didn't beep this time when charging started. Maybe it needs to be more discharged before this happens....
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Now at 100%. Charger seems to poll the Nexus about every 30 secs (solid blue light for a few secs) to see if it needs charging. Then light goes off. When it charges, the blue light flashes slowly but continuously.

Did anybody try the Large models?
For some reason they are cheaper even though they come in black or white and have the Qi logo/writing on it.

facetubespam said:
Did anybody try the Large models?
For some reason they are cheaper even though they come in black or white and have the Qi logo/writing on it.
Click to expand...
Click to collapse
They are reported to work. I wanted the flexibility of being able to use alternate sources of power (car, pc, wall adaptor). have yet to try limited power available from a PC's USB port...