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Just an idea..

I've noticed that smartphones are becoming extremely thin these days, which is great but I had a thought.
I was just thinking, with technology getting more advanced and, displays, chips, and motherboards getting thinner, why not make a thin device and make it a little bigger just for the battery.
If manufacturers made extremely thin devices and added some extra thickness for the battery to take up the remaining length, width, and depth of the phone, we could have some serious battery power.
Ah? Ahhh?

Uh just putting a bigger battery is the average and today's thinking. Just like how people think oh, just find more oil. What we need is something more, something better than just more. But nevertheless, that idea should satisfy today's world.

In that case, I propose a battery that never dies. It will output its power, that said power will then come back to the battery and the cycle starts all over.
That would be perfect

If the battery was thicker but lasted longer, that would be a doable trade off
Sent from my SPH-D710 using XDA Premium

That's what I was saying, add width, length, and thickness to the battery only. Having a bigger battery will allow more power. The actually hardware would be extremely thin so the overall thickness of the device isn't much.

Now the battery is the biggest problem`````

i think all of us that use an smartphone will trade a little more size for a better battery life.

Sounds good to me
I'd totally be okay with that. I have a Xperia ARC, and the thing is SUPER thin. However, the battery is actually already quite large. I'd say it takes at least about 30% of the phone's size. However, I agree with Kailkti: it's better to increase quality than quantity.

Well, look at Nokias. Can do all the current basics, flash support, and battery is flawless.

There was talk of a battery that used radioactivity to generate electricity, theoretically that could power a phone for a lifetime. Guess they did run into some warranty issues

nuke-based phone.. lol
Sent from my Samsung Galaxy S2 - Epic 4G Touch - SPH-D710 using XDA Premium

[DISCUSSION] Battery / Phone size

Today's trend for mobile phones is as thinner, lighter as better. But in the other hand, CPU is getting more powerful and more power consuming so I would like to open a discussion I've been thinking for a longer time now. Also phone screens are getting bigger and bigger which is hell of a battery drain too. I currently use Galaxy S and Galaxy S III. Both phones can keep up with screens on up to 6-7 hours set up with about 20% of brigthness in cost of smaller dimensions. When I put masks on both phones, in dimensions it gets thicker for about 3-4 mm, but also it suits much better in my hand and it's much more comfortable. I won't discuss battery length and height because I actually don't know how much space is there left in whole phone, but if you are familiar with it, feel free to bring it up.
For me it would be better if they added at least 2-3 mm more thicker to get more battery capacity (I think they could reach at least 700 mAh more with 3-4mm more in thickness).
What about you? what is your opinion?

Lavoslav said:
Today's trend for mobile phones is as thinner, lighter as better. But in the other hand, CPU is getting more powerful For me it would be better if they added at least 2-3 mm more thicker to get more battery capacity (I think they could reach at least 700 mAh more with 3-4mm more in thickness).
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I have the same opinion.
Perhaps a new trend will start with the Lenovo P770. It has huge battery, 3500 mAh.

Ya that's what my idea too? RAM and processer are becoming more important.
Sent from my HTC Explorer A310e using xda premium

My idea for awhile has been a battery the same dimensions of the phone, or at least close. I would love it especially since I prefer heavy phones haha
Sent from my SGH-I727 using xda app-developers app

For Phone or for Computer? what do you whant? for phone size is small as well. for computer the display should be lager....

JamesChuang said:
For Phone or for Computer? what do you whant? for phone size is small as well. for computer the display should be lager....
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mi 2 is cool

since screens are getting bigger these days it means that batteries have grown wider/longer but not thicker. problem is that the bigger the screen, the more battery power is needed.

I think the s3 is a little too thin maybe j agrees with OP a few millimeters extra never hurt and if would improve battery life though I never had a problem with battery 40% battery life lasted me 4 hours with moderate usage
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If I helped please press the thanks button

I've always liked the protective-case/extended-battery combo that you can get for iPhone 4. They have it on Woot all the time.
It makes your phone 1/2" longer because the extended battery is built into the case.
If they made one for my phone (S3) I'd consider it. The S3 has it's microUSB jack on the bottom so it could work. As long as USB sync to PC could pass through this would be the optimum solution in my opinion.

got a 4500Mah battery for S3, don't mind the size increase better if you got bigger hand's... more to hold onto, the only situation where bigger is better lol.

I'm a big fan of choice. The way the S3 works with the replaceable battery, you can get an extended battery and new back to house it - no need to have a longer phone with battery connected by micro-usb.
The micro-usb work-around is for phones whose batteries are built-in and not easily replaceable/accessible.
I'm not sure about the idea of the battery taking up the whole back of the phone, I'd wonder how that would impact balance of the device. I think it's good how it is now with the weight in the lower-bottom area of the phone.
Choice, being able to find what suits for an individual. Personally, I'm happy with my phone being as "small" as it is and the battery almost always lasts through the day with how I use it - and since the battery is replaceable, I don't have to worry about babying it.

I prefer powerful battery

i really don't mind to have a little bit heavier phone for 2-3 hours

I think a heavier phone feels like it has a better build quality than these very thin plastic phones . Also a slightly thicker phone easier to hold tight in my opinion!

if we can solve the battery problem, everything will be better.

Best Extended Battery for Note 4? Hyperion, ZeroLemon or something else?

I've been looking around at the extended batteries for the Note 4. Which one do you consider the best?
Right now I'm leaning towards the Hyperion 8000 mah version.
The ZeroLemon does seem to have more capacity, but it does seem to have issues involving the battery reading because of the TriCell design? Can anyone confirm this?
I suppose then that would be combined with the ZeroLemon case. Unless a mod is possible?
By mod, this is what I mean:
http://forum.xda-developers.com/showthread.php?t=2530547
Anyone try something like this with a Note 4 Otterbox?

The reading issues are resolved with a custom kernel such as Emotion, which is patched to recognize the added capacity. I don't have the ZeroLemon or the Hyperion, but I do have this one and I quite like it. It is an off-brand, but I get exactly 3X my normal battery life with it, so it's legit and a good discount alternative to the ZL if you're trying to save a few bucks. I've tried to fit it into my otterbox but it's too bulky. Supposedly the official ZL cases will fit it though.

Zerolemon is pretty good. I don't really have any complains and I get anywhere between 10 to 19 hours of screen time on average with 12-15 being the average. The cover is very beefy and protective. The readings however can be inaccurate and when I sense this I just reboot the phone and it magically adds anywhere between 5-30%. There are some workarounds but they're a bit problematic. It's best to use a custom kernel that is especially tailored for zerolemon or extended batteries in general.
I switched to 5.1.1 on my 910C and flashed http://forum.xda-developers.com/note-4/development/n910c-kernel-5-1-1-stock-tw-permissive-t3206548/ by shreqg2 and it's working well as far as battery accuracy goes. The downside is that it doesn't have the 5.1.1 stock kernel cpu governors and overclocking the stock kernel provides (it can go up to 2100Mhz on BIG and 1900 and 200 Mhz on LITTLE as opposed to 1900Mhz BIG and 1500Mhz (or was it 1300?) on the 5.0.1 kernel. I guess it's not really a big deal since I've been stuck with the lesser frequencies since 4.4.4. Hopefully someone can write a proper kernel with the recently released kernel source code but I'm not sure. Really though, a lot of kernels have extended battery considerations and I'm just testing.
Edit: added screenshots with the new kernel. Rebooting gave me about 5%. It's working very well so far but this is the first discharge since I flashed it. Looks promising. It runs very cool too.

I'm going to be getting the SM-910W8 as I live in Canada (decided to go with it after the disappointment of the Note 5 and because apparently, according to the carrier phone salesman I spoke with, the Note 5 has been having reception issues and they aren't sure if it's hardware or software).
Not sure yet if I will go with an AOSP or TW based ROM though. It's a decision I have yet to make. But so long as the ZeroLemon has the full capacity it should be good. I am tempted though to go with the Hyperion as it does seem to be a single unicell and I have an offer for a cheap Otterbox Defender (which should keep it thin and protected).
Any kernel recommendations for extended batteries and performance in general?

Happy with Anker's 6440mah battery I recently bought, % indicator is accurate and doubles my usage time.
The back cover is slippery compared to the original.

Hi, i take here my "long" experience with extended batteries for different phones. I used Anker and Zerolemon brands.
Since I started to use my Note 4 (last February) Zerolemon's customer care replaced me the battery (10000mAH) because the phone turned off suddenly after only few days of Zerolemon battery use.
The new battery has lasted working fine for about six months but since one month I still have problems even if they are not frequently like first time (now i'm still using the battery..).
I have noticed that when you press at the top of screen the phone turns it off or restarts and I think that is an issue that concerns the contacts of battery to phone. I applied a bit of tape to keep the battery as good as pressed into the slot to avoid contacts issues.
(Probably the battery is too heavy to warrant a good fitting...and maybe the 6400 Anker could be the best solution..)
However I noticed that even when I can ensure that the battery is fine fitted the phone turns off or restarts anyway. In these cases I think that is an internal issue this time.
I don't know if these issues concern only first stock of Zerolemon's battery and now Zerolemon has fixed the issues.
In my experience I remember that I've never had these inconveniences in my S3 phone with Anker extended battery and in my S4 with Zerolemon battery.
I'll follow this thread because I'm searching a best extended battery for my phone...
P.s.: I use Zerolemon case with clip/ holder
Sent from Note 4 device - Rome - Italy

Ive had hyperion extended batteries, zero lemon batteries, and others and I have to say Anker makes one of the best batteries for phones, period. Hyperion has some stylish cases for their extended batteries which I love but their batteries aren't one piece and more like 3 pieces attacked and covered with a sticker. I never had any problems with it but its not as good of quality as a zerolemon or an anker battery would be.
Anker extended batteries have a plastic back that holds the battery and is a much more premium battery. Also their customer support is superb. My Anker 7500mah battery went out on my GS3 once and I sent them an email and boom they give me a new case and battery free of charge.
Zerolemon batteries are also known for their quality but they don't try to hide the fact that they make brick sized batteries and that's a downfall in my opinion because a phone with an extended battery still needs to be managable and fairly easy to hold but Zerolemon's 10,000mah BRICK may hold tons of juice but isn't practical. But they still make amazing batteries.

There was a battery thats someone posted that fits our existing case. I am unable to find the link. I think the battery was 5400mha. Anyone what the wed site?

Does the battery other than the original battery does not damage the device ?

ozerarincc said:
Does the battery other than the original battery does not damage the device ?
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How so? Please elaborate

Any extended battery's that aren't all big and bulky?

ChillaMxM said:
Any extended battery's that aren't all big and bulky?
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Stock form factor: http://www.ebay.com/itm/271990613473
I bought two of these, so far pretty good results.

fz798 said:
Stock form factor: http://www.ebay.com/itm/271990613473
I bought two of these, so far pretty good results.
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How can a stock sized battery have almost double the juice?

xbmoyx said:
How can a stock sized battery have almost double the juice?
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Well i know that lithium ion batteries are the 1/4 size of lead acid batteries but we already have li-ion batteries on our phones so im interested to see as how they crammed that much juice in there

I'm a bit skeptical between the Anker extended battery and Hyperion battery, they seem to be about the same size and shape, and the provided back covers look to be the same as well, but yet they have different rated capacities? I only have the Hyperion 8000 mAh so, I can't fairly comment on this but does anyone have both?

Siege630 said:
I'm a bit skeptical between the Anker extended battery and Hyperion battery, they seem to be about the same size and shape, and the provided back covers look to be the same as well, but yet they have different rated capacities? I only have the Hyperion 8000 mAh so, I can't fairly comment on this but does anyone have both?
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never knew Anker made extended note 4 batteries (thought they only made replacement batteries). As its not listed on their website.
Anyways, has anybody heard of Dr. Battery? http://www.drpowerglobal.com/drbattery/model/samsung/sm-n910c/css249r.aspx#rp
says it's a replacement battery, but the capacity says it's 3500 mAh. But on best buy canada, it says it's 3000 mAh.....
Also has anybody notice that MYDE and Anker has very very similar description.
Anker:
We wouldn't give you anything less than the best. Grade A cells chosen from among the top 10%. Rigorous inspection tests to ensure reliability. A built-in IC chip to prevent against short-circuiting. Complete NFC functionality. What does this all mean? In terms of quality, you won't find a better replacement. Don't just take our word for it, though - type in any quick, power-related search on Amazon and see who pops up. As the leader in our industry for the last 3 years running, we know batteries.
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MYDE:
We wouldn’t give you anything less than the best. Grade A cells chosen from among the top 10%. Rigorous inspection tests to ensure reliability. A built-in IC chip to prevent against short-circuiting. What does this all mean? In terms of quality, you won’t find a better replacement. As the leader in our industry for the last 8 years running, we know batteries.
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fishy.....

hey guys i have been using the zero lemon for some time now, i think its been a year now i believe. it started acting up on me after a year, it would reboot on its own, i know its the battery because i used the standard one and it works fine, (im on it now) so i was looking to see if there are any better batteries, i found one chinese base and said its 5600 mah so when i get it, i will update and let you guys know if its a good buy. they said its standard size and it uses a charge of 4.4 but we'll see. just felt like giving my two cents. how is that ebay battery going since you have been using it? whats the amount of time you are getting on it? my main thing is to have it not run out of battery for just ONE full day. I can care less for a battery that stands 3 days since I do go home and sleep sometime and I can charge it during that time.

divineazn716 said:
hey guys i have been using the zero lemon for some time now, i think its been a year now i believe. it started acting up on me after a year, it would reboot on its own, i know its the battery because i used the standard one and it works fine
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It might not be the problem with the battery going bad — I had the same issues: constant reboots after a year usage…
However I noticed it would always reboot while handling the phone — I'd put it down on the table, throw it on the bed. Got me thinking it might be some looseness in the contact — the battery seems tightly stuck in — but anyway I tried and jammed a folded strip of paper in the bottom edge of the battery compartment, so that a piece is jammed under the ZeroLemon battery and a piece on its side.
Since then — zero reboots — the battery is rock solid — so I think after a while the battery gets microscopically loose — it being heavy and all — and that causes the reboots. My paper fix solved that and it's been perfect since!
--
白い熊

Very bad there isn't a 25% bigger battery like s5.. A battery 4500 ma with 1-2 millimeters bigger size would be fantastic. I don't understand how so, no Chinese sells one.. Probably they dont want money..

fz798 said:
Stock form factor: http://www.ebay.com/itm/271990613473
I bought two of these, so far pretty good results.
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Click to collapse
What is your phone model number? can you tell us what is your screen on time (SOT) with this type of battery?

So-called 'slim' extended batteries make me suspicious.....

For years now manufacturers have thought we prefer having dead but omg so thin phones instead of ones that actually make it through the day. I've always bought phones that had removable batteries so that I could buy extended batteries and turn my phone into a brick that allows me to charge it at night and use at will during the day. Most of these are oversized and require a special back cover. However, I see a lot of 'slim' extended batteries that can fit into your current phone without a bigger back. They're plentiful, and they're cheap. So why don't manufacturers just include an extended battery that is the same volume but more capacity?
I suspect that perhaps they're less safe? I recently had an extended battery start bulging inside my phone and pushed the screen up a little. I wouldn't have noticed if the screen hadn't started coming up. Scared me a little, we've all seen the pics of phones that have exploded in people's pockets.
Does anyone know more about this than me?

I dont know more about this than you?.??

YYing said:
I dont know more about this than you.
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wellokthen.....

They are only marketing duds ... the battery in the phone it is the same like the extender ones but be ready to catch fire because they land faulty compared to the one in the phone. Always check the manufacturer!

TaureanZen said:
They are only marketing duds ... the battery in the phone it is the same like the extender ones but be ready to catch fire because they land faulty compared to the one in the phone. Always check the manufacturer!
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I've never had an issue with the extra large extended batteries that require a special back. Those always give a huge boost to battery life.
The slim one that I put in my G3 D855, however, is definitely a dud. I'm on a Marshmallow ROM that shows the estimated electricity use per app, in mAh, which has made it really handy for calculating the capacity of the battery. Every time my calculation comes up at about 3000 mAh, the capacity of the stock battery.
So that's $15 American that I'll never see again....oh well. Guess you can't have your cake and eat it too. My next battery will be gigantic.

the slim battery was to cheap and the reason for bulging

Battery Mugen Power 6640 mah with qi charge and nfc

Battery Mugen Power 6640 mah with qi charge and nfc is a nice opcion.
Good quality , have a case with qi charge and nfc functional.
https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.es/ulk/itm/302632998267

is this a legit battery? seems too good to be true..

Not quite too good to be true!
Seemanthinis said:
is this a legit battery? seems too good to be true..
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Yeah, "extended batteries" are a thing, been around over a decade
In this case (and typically) it's 2 regular dimension/capacity cells in one wrap, each with their own protection circuits and with parallel wiring between those and the phone. Dead simple, they're all over the place, DIYable quite easily and safely if you have 2 new batteries:
Just parallel up the +/- terminals, keeping the wires as short as poss (ideally even length to the phone contacts, personally I'd make it flexible enough to flip them over periodically to extend lifespan).
Then play around with thermo contact until it's happy (obvs the hotter battery is the one closest to phone and it's contact will already be connected so no worries there)
Throw on a fatter cover or mod and done.
Only "too good to be true" bit is that in theory when one cell gets tired, it'll drag the other down with it, because the manufacturer won't have invested in a proper charge balance system (no need IMHO, would just shove the price up, cost space and probably wouldn't restore enough use cycles to be worthwhile if you were using sub-"premium" cells)
Speaking of price - as I've covered, this "tech" can be done for WAAAY under 24.00EUR. And I guarantee you Mugen etc aren't spending more than a couple of bucks per battery!
Generic extended battery covers are cheap, available and all made to fit a doubled up battery - Only exceptions are tripled-up batteries (much rarer than they used to be) and once I found a cool N4 setup with a standard size cell hiding under one twice it's surface area/capacity (same thickness) making for a unique-looking triple capacity battery with the thickness of two. Maybe they went to the effort of a charge balancer for that one, but even if they didn't, who cares! Legends.
Couldn't say which off top of my head but one of the contacts will be NFC of course, (so bear in mind if anyone goes there)

what other best battery options are available with the normal size of battery so i can replace the original battery which is dead now.

It looks like you can also buy from mugen directly from their site.
https://mugenbattery.com/shop/samsu...ed-6640mah-battery-for-samsung-galaxy-note-4/
Has anyone here used this battery before? This looks really interesting, especially the ability to use NFC with an extended battery.
I would guess a custom kernel will be needed to support recognizing the extra capacity when using a custom ROM.