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Hi,
i would need some spare plastic "hoods" (sorry, i don't know a better english word for this ) that cover battery in the tytn (for cheap).. I would like to try to made a home made "upgrade".. i would also need one (possibly some more) dead battery (i need external plastic cover and contacts, not the battery itself), always for cheap . Anyone could give a link?
Try Ebay, they usually have OEM stuff for sale for a decent price.
I have an extra battery cover
I paid $13 for a new battery cover when my phone came without the little rubber plug on the external antenae port (only to find out, despite asking HTC when I ordered, that the cover did not come with the rubber piece I needed) Now I have an extra battery cover I will never use, since i got the rubber plug from cingular.
Battery Showdown: OEM Vs Gold Vs Mugen Power 5400mAh
1. Introduction
This thread was originally intended to be a review of the Mugen Power 5400mAh Extended battery for the Galaxy Note. But when I got thinking about it, I knew that the question in everyones mind would be: how does it compare to other
batteries out there? Following on from this, this thread is now going to primarily a Mugen Power review, but also my results from testing them against the two most popular batteries for the note: the OEM Samsung battery and the 3250mAh Gold battery.
1.1 Review: Initial Impressions
Mugen power are a company that sell many types of batteries for a plethora of devices. Their best known, however, for their extended batteries. These extended batteries normally extend out the back of the device so an aftermarket battery
cover is also supplied. In the case of the Galaxy Note (both the N7000 and I717) the extended battery is advertised as being 5400mAh and is supplied with a replacement battery cover/back door with a kickstand for watching movies etc.
When the item arrived it was packaged in a padded brown envelope and within was plastic blister pack that holds the items. Within the blister packaging (that DOESN’T rip your hands apart getting into) is a sheet of paper with some
specs/instructions, the battery cover and the battery itself.
1.2 Review: Hands-On
When you pick up the battery it does not seem overly heavy, but not so light that you think there is nothing in there – this bodes well so far! When inspecting the battery there are no sharp edges, no manufacturing defects and no
problematic areas – it looks like a well made battery. My engineering mind wondered how the item was put together and a light press at the side of the battery gave an insight into how it was manufactured: the battery is actually made of
two “batteries” or cells soldered together to make one unit. Immediately I thought that may pose problems with things like capacity estimates considering the chip would be reading from both cells, but from using the battery it seems very
stable and this is not a problem. (Some users have reported that with aftermarket batteries, their screen flickers when the battery is in the 0-2% range – I didn’t get this with the Mugen battery)
The battery cover is quite an interesting item as in my minds eye I thought it would be thin like the stock Samsung one but with some reinforcement fins for structure. But when you pick up the battery cover the plastic is quite thick and
it feels rather solid in hand. It felt so rigid that I had doubts whether it would bend to clip into the notes back recess points – but it clips in very solidly. It should be mentioned that the top of the battery cover goes in first and
then the rest just pop in, unlike the stock battery cover. Also, the back is textured with little dots, much more prominent than on the stock battery cover, giving you extra grip.
On a side note, the thickness added to the back means that your camera lens cant get scratched.
One feature that I had no expectation of using was the kickstand. This allows the device to sit in landscape mode like a little picture frame. After using the kickstand a few times, I must conclude that it is really a fantastic addition
to the phone! The kickstand is very easy to erect, just push beyond the pivot point and it pops right out ready for you to prop your device up with – it really is very useful!
There are a few issues with the battery door that I would like to mention. Firstly, the kickstand is a great idea, but the material it is made from feels cheap. Also, I would want it to “snap” into place so that it is either hugging the
phone or properly extended – there have been many times where it is just waving there – perhaps a small magnet would hold it in place more securely?
Secondly, the speakerphone doesn’t sound good at all. I appreciate that Mugen cant really do anything to fix this but the speaker is still on the back of the phone and so the sound it puts out echoes inside the battery housing. It isn’t
that bad, but it is noticeable and something I thought I should mention.
1.3 Review: The Bulk
A lot of people are hesitant to try these extended batteries because they think that their lovely slim device will immediately become an ugly, obese device that looks like it came from the 1990’s. Well… that is only partly true. Yes, the
devices thickness does increase quite dramatically but, and this is a big “but”: the device gets much easier to hold! The rounded back and textured surface mean that the phone is transformed from a credit-card to something much more
comfortable to hold to your ear. With the stock battery I have always feared the phone slipping out of my hand, but not with this.
2.0 Testing
The testing portion of the review/showdown will be comparing the estimated mAh reading I got from an app: “Battery Monitor Widget Pro”. The way I did the testing was to reset the battery stats, and use the phone from 100% to 1% by
watching BBC’s Iplayer continuously. Then I would connect the device to the official Samsung charger that came with my device (1000mA output) and charge it up to 100% and then rerun the Iplayer test. Mugen recommend that their battery
should be cycled (100->0->100) a few times to make the battery perform to its rating. With all the batteries, I tested them for several days with continuous cycling so that the app can get accurate readings.
2.1 Results
These are the “estimated” battery statistics from “Battery Monitor Widget Pro”
This shows some interesting data. I am not saying that this app is giving you an absolute measurement of the capacity of the battery. The way I am using the “estimated” capacity is to use it in a comparison. I have assumed that the OEM
Samsung battery is 2500mAh. This may or may not be true but it is safer to assume that the Samsung batteries will be made to a tighter tolerance with higher quality control. With that, what I have done is adjusted the estimates with the
assumption that the OEM battery is 2500mAh and therefore the other batteries have a reduced inaccuracy.
One thing to note is that all the batteries has a similar Max/Min voltage range which is what may cause the screen flickering at low battery to occur. Thankfully the Mugen battery is within the range of the OEM battery which means this shouldn’t occur.
3.0 Conclusion
Throughout this review I have comparing the good with the bad about the Mugen Power 5400mAh battery and now is the time to make my final comparison:
Pros:
- Fantastic battery life!
- Nice rounded back over
- Good grip texture
- Camera indentation to avoid scratches
- Kickstand
- Solid construction
- Reputable warranty
- Easy s-pen removal
Cons:
- Doubles the thickness of the device
- Speakphone quality is compromised
- Plastickly feeling battery cover and kickstand
- Slightly lower capacity than rated (5076mAh vs 5400mAh)
Now the killer question is: after using this battery for a week, is it worth it?
In my honest opinion, I would buy the Mugen Power 5400mAh battery. Yes, it is worth it. I feel that the product is fantastic and would be well suited to someone who does a lot of travelling, a long commute on the train, a lot of phone
calls throughout the day. I would seriously recommend it to anyone who is going to go on holiday/vacation and is going to be using their device for the duration of the flight.
I have given it a lot of thought and I think that for the USD98.95 that they are asking, they could make the product more appealing by upgrading the battery to something that fills the whole housing and making the battery cover more
luxurious – a little brushed aluminium, a few magnets to gold the kickstand in place, etc.
I would rate this product as 4/5. I think it is perfect for anyone who is going to embark on a long journey and needs their device to last a lot longer than the stock battery. If Mugen were to implement some changes to make this better in terms of value for money – I would give it 5/5.
You can buy this item HERE
There is currently a Special Offer: "Free Shipping to most countries in the World! Order Now!"
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4.0 Mugen suggestion
This section of the review is my personal opinions on what an extended battery should be and has no impact on the current product. This is purely my pie-in-the-sky ideas and put in for completeness alone:
When I was fitting the battery and the battery cover, I was surprised at how much empty space there was within the battery cover that wasn’t filled by the battery. And we already know that the battery is comprised of two sections, one
that fits in the stock battery section and the extra bit that sticks out the back. So… is it not possible to make the secondary battery (the second cell that sits within the battery housing) larger to fit the battery cover better?
It might sound a bit confusing, but I got wondering whether it would be possible for Mugen to make the battery fill the extra space within the housing. We are sacrificing the looks and compactness of our device so why not make the
battery is large as can be?
Being the engineer that I am, I thought id mock something up on Autocad. I did a little measuring and it seemed as though the secondary battery could be elongated by 29mm, 20mm at the top and 9mm at the bottom.
Manufacturing would comprise of two different sized cells, which are then glued and packed together with trace wires soldering the cells together. It would mean that the battery fills up all the available space within the housing. Yes,
it would make it slightly heavier, but at USD98.95 consumers expect an all-singing-all-dancing product.
The results from the quick mockup resulted in a battery that Mugen Power could manufacture which they could rate at 6500mAh. This would fit in the current battery housing with no modification. I must admit that I know NOTHING about the
working of a battery and this is just an idea that I had that I thought I would present with the review.
5.0 Closing thoughts
When reviewing all of these batteries, it seemed to me that you can basically make a battery of any shape and so why not make a battery that was the whole back of the phone? You could even put a plastic/ rubber packing on it for better
grip/protection and make the product really incredible!
The stock battery shape would still go into the device as before with the same contacts, but then beyond that, what is stopping you? The only thing that you must account for is the camera, the s-pen and the speakerphone. So, I mocked
something up in Autocad as a pie-in-the-sky idea that I thought was cool. The thickness of the back part is the same as the stock OEM battery with the device.
Very detailed review and well put together review! Do you have screen shots of time use for the batteries? I'm interested in the gold, since it doesn't require a extended back.
Sent from my SAMSUNG-SGH-I717 using XDA
Now I want one
Sent from my MB860 using xda premium
Great write up! Will take your word for it if I ever decide to get an extended battery. One of the best battery reviews Ive read yet.
-Once you go NOTE, you'd say 4 inches a Joke
erick161 said:
Very detailed review and well put together review! Do you have screen shots of time use for the batteries? I'm interested in the gold, since it doesn't require a extended back.
Sent from my SAMSUNG-SGH-I717 using XDA
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i dont but if i ever rerun the tests, bull be sure to get these too
s1mpd1ddy said:
Now I want one
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http://www.mugen-power-batteries.co...g-galaxy-note-sgh-i717-with-battery-door.html
SKyRocKeting727 said:
Great write up! Will take your word for it if I ever decide to get an extended battery. One of the best battery reviews Ive read yet.
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thank you, much appreciated
if i remember rightly mugen have free worldwide shipping at the moment
excellent review. i enjoy it very much.
i learn something again in the android communities, unlike the "other side".
by the way, do you have and good way to calibrated the battery or any good apps to do it.?
OutCastedSheep said:
excellent review. i enjoy it very much.
Click to expand...
Click to collapse
thank you - much appreciated
i dont know of any battery calibration apps - do you mean ones that will help you power cycle the device?
Are battery covers 100% interchangeable with the International note? The pictures posted here are of the Int. Version. I understand the product is advertised for both versions, but i want to make sure it's not a "it's not perfect....but it works" fit (in general terms...not specific to this product.)
Amazing work, amazing write-up. The best battery review i've seen yet.
Edit: P.S. The only thing thats keeping me from jumping through your screen and dancing is the lack of runtime data. Maybe MaH ratings are good for engineers. But runtime data is much easier to interpret. Because from the chart above, it seems that the battery is rated at 200% the capacity of the OEM battery, yet is only provides a certain percentage of that expected capacity. Is this what your chart is explaining? Sorry. It's late.
My first 7 days with Mugen 5400 mAH
Have had my Mugen 5400 mAH extended battery for one full week. Here is what I think and know, I do not have that ugly hump back battery cover, have full form hard plastic cover with NFC antenna and kickstand. Which by the way the kickstand proved it’s worth in first 24 hours of ownership.
It took 26 hours from 100% charge to 10% remaining with screen at 100%, either on wifi or 4G, with pretty much all the back ground stuff enable. I surfed, gamed, watched two complete movies and 3 episodes of Battlestar Galactica (wife was doing her scrap booking "fun" with her girlfriends and I had access to free wireless), checking e-mail, fiddle farting around trying to get it down to 10% faster. Charges to 100% fairly quickly, I plug it into 110 v around 2230'ish and has full charge when I wake up at 0600.
Was it a bit on the high side of cost??? Yes, but don't regret it at all, has been great not looking for an outlet every where I go, not rushing to connect to my charger (actually have not use my charger since I installed extended battery) and having to carry a plug and USB cord with me every time I leave the house.
Highly recommend.
Jamesyboy said:
Are battery covers 100% interchangeable with the International note? The pictures posted here are of the Int. Version. I understand the product is advertised for both versions, but i want to make sure it's not a "it's not perfect....but it works" fit (in general terms...not specific to this product.)
There are two versions of this battery, one for the N7000 and one for the I717 - i have updated the OP with the link for the I717 so you buy the correct one
Amazing work, amazing write-up. The best battery review i've seen yet.
Im glad to be of service
Edit: P.S. The only thing thats keeping me from jumping through your screen and dancing is the lack of runtime data. Maybe MaH ratings are good for engineers. But runtime data is much easier to interpret. Because from the chart above, it seems that the battery is rated at 200% the capacity of the OEM battery, yet is only provides a certain percentage of that expected capacity. Is this what your chart is explaining? Sorry. It's late.
The reason i didnt do runtime data was that there is no standard test - mah is a much more scientific way to work out capacities - i can tell you though that on screen-full-brightness-test it surpassed 6 hours
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vanemburghj said:
Have had my Mugen 5400 mAH extended battery for one full week. Here is what I think and know, I do not have that ugly hump back battery cover, have full form hard plastic cover with NFC antenna and kickstand. Which by the way the kickstand proved it’s worth in first 24 hours of ownership.
i agree, the kickstand is a fantastic addition
It took 26 hours from 100% charge to 10% remaining with screen at 100%, either on wifi or 4G, with pretty much all the back ground stuff enable. I surfed, gamed, watched two complete movies and 3 episodes of Battlestar Galactica (wife was doing her scrap booking "fun" with her girlfriends and I had access to free wireless), checking e-mail, fiddle farting around trying to get it down to 10% faster. Charges to 100% fairly quickly, I plug it into 110 v around 2230'ish and has full charge when I wake up at 0600.
Was it a bit on the high side of cost??? Yes, but don't regret it at all, has been great not looking for an outlet every where I go, not rushing to connect to my charger (actually have not use my charger since I installed extended battery) and having to carry a plug and USB cord with me every time I leave the house.
Highly recommend.
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Click to collapse
I agree, a very worthwhile product
feel free to ask any questions about the product guys
My 5400 mAh Mugen battery arrived this afternoon. The order was placed on the evening of June 4, so it took a week for it to arrive in Toronto. Pretty good for free shipping from Hong Kong!
I'm just charging it up now, so nothing to report on so far. I will be on the road tomorrow, so I'll try running 4G+GPS+BT with Google Navigation while in the car (about 70 minutes travel time total), and Ethernet while on-site with a client. Screen brightness will be at 100% the whole time. If I can get through an entire day without the battery dying, I'll be very impressed.
I really like the much grippier, textured back. No need for me to take photos of how it looks, since panyan did such a great job. Kudos to Mugen for using packaging that is EASY to open! No knives or scissors or personal injury involved here. Just snap the two halves apart, and out pops the battery and cover!
^im glad your happy
ill be interested to see a screenshot of your battery usage after that epic trip
Great review, but at $100 dollars, the price seems too steep for just a battery... $50 probably would have been more reasonable
Izzue said:
Great review, but at $100 dollars, the price seems too steep for just a battery... $50 probably would have been more reasonable
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Click to collapse
at first this was my thought too, but when i thought more about it:
we have all paid a great deal of money for our devices and when theyre out of battery, they are as good as useless... this product keeps our device running much longer and therefore is worth more than "just a battery" - if you see what i mean
Izzue said:
Great review, but at $100 dollars, the price seems too steep for just a battery... $50 probably would have been more reasonable
Click to expand...
Click to collapse
$100 is on the expensive end of the spectrum, but it is reasonable considering the capacity, the convenience, the special back cover, the cost of the 2650 mAh battery, and the likely lower sales volume of the 5400 mAh part. If Mugen had been contracted by Samsung to produce a million units per month, they might sell it for $75 each... but then Samsung would retail it for $100 anyway.
You could buy two of the 2650 mAh batteries for $94. For an extra $5, you get just as much capacity, and a bonus kickstand cover with a better grip surface. Two batteries means I have to shut down the phone, pry off the cover, swap the battery, snap the cover back on, and reboot the phone. The convenience of simply having it all in one battery is worth it to me.
^ agreed
just so you know guys - im on its 20th cycle and it is still giving me the same screen on time
really good quality battery
Just ordered one, can't wait!!
MUGENRULEZ to get 7% off your order from Mugen Homepage
i3allistic said:
Just ordered one, can't wait!!
MUGENRULEZ to get 7% off your order from Mugen Homepage
Click to expand...
Click to collapse
Thanks for the 7% discount code! Ordered one
and thanks Panyan for the great review!
Well, here was my attempt at a car mount for the G3.
Parts list:
Pringles can (it will need to be emptied, feel free to start with a full one and a tall drink)
KoolPad charger (I used this one: http://www.amazon.com/dp/B00DQCUVPI/)
Qi back for the Lg G3 (I used this one: http://www.ebay.com/itm/151360455517 but you'll want a new listing)
LG G3 (VS985/Verizon)
12 1/2" diameter x 1/32" magnets (If I did it again, I'd use something more like this:http://www.amazon.com/dp/B00269N68Q/)
Nonskid mat (like this:http://www.amazon.com/gp/product/B00IH5VVHQ/)
Car mount (I already had this: http://www.amazon.com/gp/product/B00I0DL2OC/)
Tools list:
#1 screwdriver
clear packing tape (1/2", 2")
Spooge/guitar pick/old credit card
Razor blade
Scissors
piece of glass (I used a picture in a frame)
As mentioned by posters below, that's an expensive charger - about $60 all in - compared to a similar AirDock for $70-80 with no effort required. The expensive items (KoolPad and long mounting system) I had before starting the project, so were sunk cost. To build a similar version, you could likely order the entire kit from Dx.com for under $30 as follows:
Qi pad for $11 http://www.dx.com/p/qi-x5-mobile-wireless-charger-black-298118
the bigger magnets for $4 http://www.dx.com/p/12-5-x-1-5mm-round-shape-ndfeb-magnet-silver-9-pcs-233616
the sticky pad $3 http://www.dx.com/p/vehicle-car-anti-slip-mat-pad-black-19-x-14cm-161650
Mount for $8 http://www.dx.com/p/lson-028i-adjustable-car-mount-holder-for-cell-phone-black-185931
You still have to buy the Pringles yourself
The only question is whether the Qi case has the same clearance inside the shell. That I can't say, though if the aesthetics weren't a huge deal, you could epoxy the magnets to the exterior of the shell.
Step 1: disassemble the charger
The charger comes apart with four screws in the pack, hidden under the non-skid pads. I popped them out with the tip of a razor blade and unscrewed... Then a spooger (or other thin, stiff tool like a guitar pick or an old credit/debit card) can be slid around the outside to release the catches.
Step 2: Install the magnets
Next comes the magnets in the charger cover. I didn't know how much space I'd have, so I got 1/32" thick magnets. I stacked 3 together in four locations, but if I were to do it again I would know that I could have used four 1/16" thick magnets, and they could be a bit larger (3/4" dia vs the 1/2" I used).
to omit the long story about how I got here, just imagine an hour of trial and error (go eat some of those pringles and get another drink)
To get them in the right place without using glue, I copied the area that corresponds to where the battery is in the G3 back to the inside of the Qi charger case in pencil, then laid a length of 2" packing tape (sticky side UP) in the case and traced the corners with a blue marker. The ruler you see is to hold the edge of the tape and keep it from folding up...you'll want one on each side when you get to the next step!
Now put the magnets in the corners of the "box" you traced onto the tape (see the two rulers...yeah, that's the second piece of tape). Maneuvering the tape by the rulers, place the magnets into the cover of the charger (sticky side down now) so that the tape encapsulates the magnets. There are lots of exposed contacts - no sense in shorting everything out on the magnets, as it will be a tight fit.
As you flip the case over to close it, be careful to make sure the LED charging light pipe is still in its slot. Also, hold on tight...the charger coil is slightly magnetic, so adding the magnets will snap this baby shut!
Step 3: Assemble the charger and apply the sticky stuff
Okay, after you put those screws back in it's time to make the front of the charger sticky. The charger will lift/hold the phone, but the phone back is too slick against the charger and it will slide right off. Note: other chargers normally put the magnets on the outside and then spray them with a rubberized coating. Just for kicks, I did it differently; I may ultimately add a rubber coating to the charger, it depends on how this holds up.
So, you've got that non-skid stuff. Put it onto a glass surface and use a ruler to cut out two 1/2" tall x 3" wide pieces. If you use more than that it will be difficult to extract the phone. Place the strips top and bottom. Note that by doing this, you're letting the case back and charger case deflect between the sticky pieces, getting a little closer. The force is strong enough to hold the phone to the sticky mat and compress it lightly, ensuring it stays in place, even upside down.
Step 4: Modify the phone back
Next comes the phone side of the equation. There are several ways to get a Qi enabled back plate; I got mine off eBay - ugly Verizon logo and all. Anyway, there is about 0.030" (0.9mm) of clearance between the battery and the back. That's a good place to put a piece of steel, too, since it won't be covering any of the multiple antennas which surround the perimeter of the phone back.
It turns out that a Pringles can bottom is both the correct size, made of magnetic steel, and a good thickness at about 0.3mm. Note that if you can find a 0.5-0.6mm (0.020") thick piece of sheet stock, it will increase the holding power by 50% or so. Above that doesn't help any. You're done with the Pringles by now, right? Okay, then just cut the pringles can bottom with scissors, and be careful of those sharp edges! Tape it into the back, right over where the battery would be.
Note: most sheet metal will have a slight bow - use this to your advantage and flip the steel so that the natural curve matches the curve of the phone back. The closer you can get the steel to the magnets the better.
Step 5: Test it out (aka, there is no step 5)
Home stretch. Put the phone back together and double check your mounting matches and the alarm in the charger indicates you have power. In my installation, the charger will be upside-down, so the LED will be covered. I decided to keep the alarm so I know that the phone is positioned properly, but if you're not as concerned you can neuter the alarm when you have the charger open (see the Amazon reviews for a how to).
That's all there is to it.
http://youtu.be/REiDGBtzbkE
What was the total cost of this? With all the time and effort added in, wouldn't a iottie of been worth the trouble for wireless qi charging.
Sent from my Gunmetal Lg G3
Nicely done but adding all those prices up..$23 for the Koolpad, $24 for the car mount, $10 for the magnets is already over $50 and that's not including the non-slip mat.
Wouldn't it cost the same for one that already does the same thing? You probably just have to add metal to the battery cover but that's about it.
iazybandit said:
Nicely done but adding all those prices up..$23 for the Koolpad, $24 for the car mount, $10 for the magnets is already over $50 and that's not including the non-slip mat.
Wouldn't it cost the same for one that already does the same thing? You probably just have to add metal to the battery cover but that's about it.
Click to expand...
Click to collapse
The AirDock, when they eventually ship, is $69 (+$10 in my case for the long mount). I'm in for about $60 at this point, so not much savings, but I probably should have clarified (and will in a moment) - the item list was mostly what I had and wasn't purchased specifically for this project. The car mount was way more pricey than what I'd normally get, but the raked windshield in my van makes normal mounts nearly impossible. a Similar mount for my truck was ~$10. The KoolPad was purchased prior to wanting to make the magnetic charger; I just wanted one I knew would work well and could transfer a lot of juice.
One-stop shopping at Deal Extreme (dx.com) would cut the cost quite a bit, the only question is whether the Qi case has the same clearance inside the shell:
Qi pad for $11 http://www.dx.com/p/qi-x5-mobile-wireless-charger-black-298118
the bigger magnets for $4 http://www.dx.com/p/12-5-x-1-5mm-round-shape-ndfeb-magnet-silver-9-pcs-233616
the sticky pad $3 http://www.dx.com/p/vehicle-car-anti-slip-mat-pad-black-19-x-14cm-161650
Mount for $8 http://www.dx.com/p/lson-028i-adjustable-car-mount-holder-for-cell-phone-black-185931
Pringles $2
So for a dedicated version, $28 could probably be done.
fgcchevy said:
What was the total cost of this? With all the time and effort added in, wouldn't a iottie of been worth the trouble for wireless qi charging.
Sent from my Gunmetal Lg G3
Click to expand...
Click to collapse
I spent about $60; as I've added to the OP it could be done for less (<$30) with careful component selection from a single Hong Kong vendor. The iOttie is $80 and wouldn't work well in my van (raked windsheild. no "dash" to speak of for mounting).
Not relevant, sorry.
I will try to make a similar charger but with the DX parts instead - I did choose a different charger than the one linked to though as I read that the X5 doesn't work very well. I will keep you posted on the parts when they get here.
I found a China QI charger in a closet (got too many gadgets in there) and after inserting the Pringles bottom in the phone the charger actually charges alot better for some reason..? Anyway - I left the G3 on the charger pad with navigation running. The charger could almost keep the phone charge at status quo BUT the phone temp went up to 46C after maybe an hour or so. I hope the DX charger works better or at least cooler
I've been working more on this little project I've put 4x 3 10mm magnets inside the charger and I noticed that the actual coil could be lifted closer to the lid of the charger - actually by several mm. After this the lid had to be pressed hard together to close and it arcs a tiny bit in the middle but that only brings the coil even closer to the charging pad inside the cover when the bits of sticky pad is lifting the phone a bit.
The result is now that the phone charges between 18-30% / hour at a temp of 35C. I can keep it charged when using navigation (and even very slowly charge it) at a temp of 40C. This is at a temperature in the room I'm testing in at about 25C. So when using AC in the car it will be lower.
The learning point for me has been that a quite bad QI charger can be caused by wrong placement of the coil inside in charger. After lifting (and centering) mine it's actually quite good. Keep in mind that before modding this actual charger I was close to throwing it out as it seriously almost couldn't charge and it was VERY picky about placement of the phone. So after using maybe a minut finding the right placement it almost couldn't charge neither my old SGS3 nor my LG G3 and it often stopped charging because the coils was too far away from the phones charging pad. This was when placing the phone directly on the charger with no sticky pad lifting it slightly from the charger.
Now after modding it and WITH sticky pad it charges consistently and at an acceptable rate
If anybody is curious I can take the charger apart and take a picture. I build mine from the same design as the OP (which I'm really grateful for, this is more or less the charger I've been dreaming of), I put in the magnets a bit differently, personally I think my way is easier but it's not a huge difference.
Ohh.. and I still got parts coming from DX, I also found a 1.5A output QI charger that I would like to make a build on to see if it's even better for navigation If anybody is interested I will keep posting in this thread with my experiments..
So you used a grid of 12 magnets? What thickness are they?
Or did you mean you used four 3mmx10mm and that's how you got the space to lift the coil - by placing them outside the coil area ?
That's interesting about lifting the charger coil. Mine isn't too picky about the placement, but I'm a little glad that I don't have more magnets as it's just enough to hold my G3 on but not so much that it pulls out of my hand before it's in the correct spot for charging.
I'll let admit I haven't checked the charging rate, but it seems to hold its current battery level while using GPS.
Oh I'm sorry - I use 4 "towers" which each is made of 3x 10mm diameter, 2mm thick neodymium magnets. They are placed around the coil in the corners marking the coil area in the charger (if that makes sense..?). I guess a picture would be helpful here so I will take the charger apart later today and take one.
Varming said:
Oh I'm sorry - I use 4 "towers" which each is made of 3x 10mm diameter, 2mm thick neodymium magnets. They are placed around the coil in the corners marking the coil area in the charger (if that makes sense..?). I guess a picture would be helpful here so I will take the charger apart later today and take one.
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Makes perfect sense get - and a great idea.
I received the new Sony DK60 USB-C charging dock designed for the Xperia last week. It wasn't yet available in the US at the time I ordered it, but MobileFun was able to source it since it also operates a site overseas. It seems they have it available for order officially on its US site also now. I'd link to it if I had 10 posts under my belt.
What I like especially about this dock is that it provides essentially pass-through power with a USB-C port of its own, thereby allowing use of whatever adapter you already have available. The other dock options I have seen seem to be using only hard-wired power cord options and who knows about the quality of those cables. Sure enough, with the DK60 dock plugged into the OEM adapter, I get "Charging Rapidly." I didn't pay much attention, but I plugged in at 1% and was fully charged when I next checked a couple of hours later.
Unfortunately, the DK60 dock only works out of the box for a Pixel without a case because the USB-C plug in the dock is embedded in a shroud that serves as a very wide platform for the device to rest on. With either my Cruiserlite case or even my extremely thin Maxboost case, the thickness of the case actually prevents the plug from seating completely. That's never the end of it for me though, and the attached pics show the steps I took to make this work with either case.
Essentially, I wanted to reshape that plastic shroud that encases the USB-C plug so that it has a smaller footprint that fits within the USB-C port opening of most cases. I decided to open the dock up to get at it, but you could probably do the necessary work without taking everything apart. To open it, though, I needed to peel some of the grip tape from the bottom to expose to small screws - one on each side. I didn't know where they were, so I had to hunt a bit. Then a little prying to separate the top and bottom. Two more screws hold the plastic shroud onto the PCB assembly. Some filing to reshape the plastic piece and then reassembly. Works perfectly with or without a case now. Well, almost perfectly - it's so lightweight that it takes a second hand holding the dock itself to remove the phone, but I can live with that I suppose.
Looks like a good dock, I used some double sided tape to stick my Seidio down so I can remove the phone 1 handed...
I used microsuction tape to stick my dock to my nightstand. It's a little pricey, but a 10"x12" sheet is essentially a lifetime supply for me. I have the Seidio USB-C dock.
Thanks for sharing, this dock looks nice. Has your USB-C port been holding up with extended use with the dock?
Hi all, I'm looking for extended battery cover made by zero lemon. Possibly with belt clip. If anyone has one that is not used I would like to buy it. I'm based in UK, I have paypal. I would consider other brands too as long as it is as big. I don't need battery itself.
I have new phone now and I would like to use my note 3 as portable SDR receiver. Anker battery started bulging out after 2 years. So my plan is to fit RTL dongle and 5300 Mah battery inside extended battery cover and rig it up antenna keeping setup reasonably small and no wires hanging outside.
Has anyone ever attempted that?