Homemade Qi Charging back - Galaxy Note 4 General

Coming from a nexus 5 I am totally addicted to Qi charging. I have a Qi charging car dock, one on my bedside table, and one at the office. I was disappointed to learn Samsungs Qi back added some pretty significant thickness to the phone, and the third party Qi receivers seemed to add a bump on the back, and made battery swaps an awkward process.
So, I ordered a Qi receiver for 7 bucks to experiment with. http://www.ebay.com/itm/381033899497
When I got it I noticed the vast majority of the thickness was due to the wrap around adhesive, and labeling on it. I carefully pealed that off until I had a bare circuit board, and Qi coil. Then I noticed these things don't actually clip on to the charging contacts, it just kind of lays there, and with no adhesive it would just use the back cover to keep it in place. So then I had an obvious idea. Why apply it to the phone when you could just apply it to the back cover? I lined it up on the phone and put a dab of hot glue on the back of the card, then pressed the phones back on. A few minutes later I popped the cover off and was left when the Qi coil perfectly aligned on the back cover.
I put a couple strips of scotch tape on it to keep it all in place while testing it out, but so far it is working perfectly, and I can swap batteries without any awkward Qi coil floating around to mess with. After I add some magnets to it for my car dock I'll put a bead of superglue on it.
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Whats the output? I tried the palm pre / touchstone method on my note 2 and then i fitted a qi setup with a qi bed but both options only outputted at 500ma so took a full 8 hours to charge, which is a big contrast to the 90-120 mins plugged in. I bouhht a battery kit and that worked out to be a massively better optikn for me since i no longer needed to put it kn charge at all, just swap out the battery and ive gone down the same route with my note 4, but if the module is outputting at 1a or more it might be wirth looking into this again??

It's rated for 1 amp, but to be honest I don't really care. I charge it before I go to bed, and it is charged when I wakeup. and that's all I really care about. If I need to fast charge it before I head out for a long day I can always plug it into the speed charger.

I use qi charging on the ebay coil I purchased and get about 890 ma on my note 4...

Related

Review: Seidio Multi-Function Battery Charger

First Impression...
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I got a surprise package to review...when I opened it, it was a Seidio Multi-Function battery charger!!!! First I will say that is a must-have product for ALL HTC Incredible owners. HTC Incredible has proven to have a less powerful battery life than we would all like to see, and so the multi-function charger makes keeping an extra battery a breeze. Now, that is not all... You can also use this multi-function charger if you have a couple of different devices by switching the charging plates....and the USB connection can be used with any USB cord for charging.
The package included:
Base
Battery charging plate
Device charging cable
The features multi-function charger offers are:
Ability to charge an extra battery and your device at the same time
Prongs fold away for easy travel
Additional charging plates can be purchased separately for use with other Smartphones
Travel ready as it uses 100-220v charge
Ease of Use...
Getting everything set up, took me a few minutes and the charger is really easy to use. The USB cord is longer than the stock charger and is softer, which makes it more convenient to use it anywhere. The phone can be charged direct from PC, or the charger, just by plugging in to appropriate sources and switching the AC/USB Power switch. As mentioned above, the multi-function charger can be used with different devices by switching the charging plates, or if you have more than one device. This makes it the most needed item.
Charging Process...
Charging the phone was nice and especially having the extra battery ready is very handy. The charging time for multi-function charger versus the stock charger is a little shorter but not by much...although considering that it charges two batteries at once, yes definitely shorter charging time. The wall charger, at least the one I had, did make a static high pitched noise, but it was not enough to bother me. I have heard other chargers to do that, so I am unsure of the cause.
Few Days Evaluation...
Over a few days of use, I can even further confirm that this is a must have product for smartphone owners which like to use a lot of battery juice. The charger is also very compact making it easy to take along while traveling, as it is small and the prongs completely fold in...which is something Seidio worked on and improved over the past multi-function chargers. Also keep in mind that the interchangeable charging plates is a guarantee for upgrades for newer devices as they come out. I can guarantee that this will be a high demand item.
To purchase the Seidio Multi-Function battery charger, please visit Seidio Online - Multi Function Battery charger.
I have purchased products similar to this, and the prongs that plug into the wall always break. At 30$, its quite expensive... how's the build quality?
I almost bought one before the Dinc came out. They were $19 then. Don't switch out batteries now though, so I'm not sure I would use it. I have a number of retractable MircoUSB cables (one on every computer now) and I carry one so I can charge almost anywhere if needed.
Nope
I continue to maintain that the best way to break those teeny tiny clips holding your Incredible together, is to keep opening and closing it. While my AT&T Tilt had an easy to remove back, the Incredible does not.
.
Hi,
This charger works with the "BF5X" battery? (MOTOROLA DROID 3)

Found the perfect car accessory combo for HD2!

Hey guys!
I think I found the perfect combination of car mount+car charger for the HD2!
NOTE: Links are listed at the bottom of this post. Also, I am in no way affiliated with the sellers.
I was searching all the available mounts on Amazon (I didn't want to spend money on shipping I have prime) and each one of them was either too flimsy or expensive.
Then it dawned on me that I could may be use the EVO's car mount, I checked this site and sure enough, they have really close dimensions.
I took the plunge and bought a mount and guess what? It fits the HD2 perfectly! The mount pivots about the center ball joint which itself is attached to a goose neck allowing for almost infinite adjust-ability. The orientation can be locked in place with a thumb screw near the ball joint. The best thing is, the whole thing stays quiet solid and doesn't jump around when on uneven roads (at least in my rental car)
I also wanted a charger and I found a genuine Motorola 1A charger (most of the others were 500mA) and while using GPS navigation, the HD2 consumes ~400mA or more depending on the screen brightness, Bluetooth etc. That only leaves ~100mA or less for charging the battery which is five times less than what USB provides. You can imagine how slowly the battery would charge.
1. Car mount:
http://www.amazon.com/gp/product/B004KMNBD2
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2. Charger:
http://www.amazon.com/gp/product/B002N8HG0Y
Hope this helps someone!
looks great
I thought I would start a new thread but it's probably not necessary.
I have strongly considered OP's combination for days a few weeks ago and I found some similar items @ Monoprice with the monoprice kind of price, if you know what I mean. I give you a quick review if you're shopping for these.
The (universal) car mount $3.57
The mount is definitely bulkier than the one OP recommends but overall it's certainly not a bad product. Once you figured how you want to position it, the mount is pretty sturdy. My only regret is that it won't stick to my dashboard as I would thought but it's because of the texture of the dashboard, not because of the suction cup of the mount, so it's stuck to the windshield. For less than $4, it's just awesome.
the 5 volt 1000 mAh car charger $1.78
The build can be labeled as 'a bit flimsy' and I have yet to drive with the phone plugged in with GPS to check the battery drain (or lack thereof).
I can tell the phone charges with Winamp playing. It is no real surprise I know but it is the main use when in the car. Cord could be a tiny bit longer but it's a good deal.
EDIT: 2 months later
the build is definitely sh***y. if you let it too long in the power outlet, a piece a plastic breaks and the thing doesn't work anymore. Could be easily fixed but I won't bother. Monoprice nicely replaced the first one without asking but now my second one broke and I'll get the motorola one from amazon.
I got to grab a $3 BT headset and I'm good
look great, thanks
Hi chvvkumar, after reading your post I have decided to buy the same car charger from Motorola as you have. I would like to ask you if you could let me know how much mAh does your phone show as receiving when it is charging.
When I tried mine, it was receiving about +/-450mAh, which is what I normally see when I use the normal charger.
Thanks for the information.
The mount looks just like mine - over 12 months old, lives attached to the screen, gets used most days of the week, don't remember where it came from apart from it was Ebay
a good couple of £ investment

Qi Wireless Charging - try it!

A month ago I upgraded from a Note I (GT-N7000) to a Note II LTE (GT-N7105) and love the numerous improvements.
I decided to try wireless charging but I have to admit this was one aspect where my expectations were quite small. I'm pleased to say that I was wrong and that it is a real benefit. I bought the very cheapest combo of Qi charging pad and Note II module that I found on ebay http://www.ebay.co.uk/itm/251781820...49&var=550705264808&ssPageName=STRK:MEBIDX:IT It cost me £6.08 which is a about $10 US or €9. The module fits between the battery and the phone's cover. I use a Samsung Flip Case Cover and it closes over the phone as normal with no bulges or fit problems. The pad is specified to output 1A and the module for the phone claims 800 mA. I didn't measure them but after a few days I find the claims believable (I have an extra genuine Samsung battery and previously had been swapping batteries and using a small battery charger with 1A output).
The pad itself is shiny plastic and so the phone, with its similarly shiny plastic back, can easily slip from it. I applied my giant brain to the problem and considered building a small cage from plastic or wire, or perhaps enclosing the pad in some kind of box. Then I had a couple of beers and remembered I already have some 2cm x 2cm velcro (hook+loop) fastener pads and some scissors. I snipped some tiny strips, so 2cm x 4mm, and applied them to each side of the charge pad and in the equivalent positions on the back of the flip case. Perfect and unobtrusive.
The battery charges really fast, the phone is both secure on the pad and quickly removed. No more dicking about with cables! Thank you ebay and China :good:
My qi charging max 460ma and note 2 getting very warm.
My QI Setup!
This is my QI Charger:
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How much time does it take for a full charge?
andrewKode said:
How much time does it take for a full charge?
Click to expand...
Click to collapse
It takes a while...I charge it at 900mA (475mA default) ie half the AC charger rate. But a wireless charger is not meant for charging battery drained phones. They're meant for keeping your phones fully charged all the time by topping it up.

Qi Wireless chargers Moto Turbo

Can anyone suggest me the best Qi wireless chargers for the Moto Turbo?
You specifically want the triple coil chargers, not single coil. Triple coil on the pad lets your receptor coil inside the phone hit a charging coil no matter how it's placed. The single coil are hard to hit because our phones receptor coil is down in the lower third of the phone. With a triple coil charger, doesn't matter. You can place the phone upside down or sideways and it will start charging.
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In my opinion the "tilt" style are the best. The phone is propped up at an angle and you can read notifications very easy.
Itian is a good name brand. Others like Spigen re-sell the same chargers under their brand name. As long as it looks like this, you are fine. Also,comes in other colors than black if you want something different.
ChazzMatt said:
You specifically want the triple coil chargers, not single coil. Triple coil on the pad lets your receptor coil inside the phone hit a charging coil no matter how it's placed. The single coil are hard to hit because our phones receptor coil is down in the lower third of the phone. With a triple coil charger, doesn't matter. You can place the phone upside down or sideways and it will start charging.
In my opinion the "tilt" style are the best. The phone is propped up at an angle and you can read notifications very easy.
Itian is a good name brand. Others like Spigen re-sell the same chargers under their brand name. As long as it looks like this, you are fine. Also,comes in other colors than black if you want something different.
Click to expand...
Click to collapse
Thank you. And Could you specify the time it takes for a full charge?
And Does Moto XT1225 supports fast wireless charging?
g0u1ham said:
And Does Moto XT1225 supports fast wireless charging?
Click to expand...
Click to collapse
No fast wireless charging. Same speed as conventional charging, as it's a 2014 phone. The main advantage is convenience to have it topping off without plugging/unplugging/plugging/unplugging. USB charging port has less stress and you can see your notifications very easily. Just grab the phone and go.
I plug in with QuickCharge if I really need a fast charge. For instance, my car charger is QuickCharge 2.0 because with my Waze navigation app open and display on while driving, my battery will deplete faster. So, I can't do Qi wireless in the car, I need QuickCharge.

Does the Samsung wireless car charger work with the Note 8?

Having tried various wireless chargers in my 3 cars, I have ended up with Samsung's own offering. Although not the cheapest, it provides more reliable charging and - most importantly for me - I don't get any interference on FM radio, which has been a problem with most of the others that I have tried.
However, having worked faultlessly with my S7 Edge and my S8+, it seems that they won't charge my new Note 8 and the Samsung web site doesn't seem to list a wireless car holder/charger for the Note 8. (The phone charges fine on my non-car wireless chargers, so it's not a phone or case issue).
Before I start looking for alternatives, does anybody have the Samsung car wireless charger working with their Note 8?
It's this one:
https://www.samsung.com/uk/mobile-accessories/s-charger-vehicle-dock-hn910/
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I believe this is the same Samsung Qi charger I modified to use in my cars. It has the little button on the back that releases the side arms.
I cut off the base about an inch from the swivel and used JB Weld to glue it on to the proper Proclip mount for the car. I am not sure if you can obtain Proclip bases over in the UK. I hardwired them to an accessory power source or plugged them into a accessory on cigarette lighter socket. Seems to charge the N8 ok.
It works perfectly except it is not fast charging capable.
Here is a picture of one installed.
Thanks.
The plot thickens. When the phone is naked, it charges OK in the Samsung car charger, but when it is in a case - I've tried a Spigen Tough Armor and a Spigen Slim Armor - it doesn't charge, so obviously the problem is with the case.
What confuses me is that the phone charges with no problem on various other non-car Qi chargers (I have quite a selection) when it's in either of the cases, and also that both of my previous phones (S7 Edge and S8+) have no problem charging in the car charger while in their Tough Armor cases.
Anyway, I'm off to start reading threads about which is the best case to buy. On the one hand it's a shame, as I've always got on really well with the Spigen Tough Armor cases. On the other hand, it's a lot cheaper to buy one new case rather than three new car holder/chargers

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