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Safety of replacement batteries

I'm looking for a replacement battery for my S4. Since it's replacement it doesn't have to be as good. What scares me though is that those cheap ebay/dealextreme batteries might hurt my phone somehow (those golden batteries etc). Is this possible, or is it safe to use those 'fake' batteries?
Also I would love if you guys could recommend a decent replacement battery for a good price (even better with a wall battery charger).

Check out the thread for registering your device with Samsung. You get a 50% off coupon to their store.
Sent from my SGH-M919 using xda app-developers app

mnazary said:
Check out the thread for registering your device with Samsung. You get a 50% off coupon to their store.
Sent from my SGH-M919 using xda app-developers app
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Sadly I don't think that's possible in my country...

sofar so good
i bought some there (Ebay) was a deal 3 batteries and battery charger for 10 bucks. haven't had any problems yet. going on a week and a half.

Bmxshay92 said:
i bought some there (Ebay) was a deal 3 batteries and battery charger for 10 bucks. haven't had any problems yet. going on a week and a half.
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Could you share a link please?

Buy a Zerolemon.

blackknightavalon said:
Buy a Zerolemon.
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I have a problem with the huge ass batteries, I like my phone the way it is, so I'm looking for regular size.

frrlod said:
I have a problem with the huge ass batteries, I like my phone the way it is, so I'm looking for regular size.
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Suit yourself, but I'm going on 19 hours off of a full charge with my Zerolemon and I still have 55% left.

frrlod said:
I have a problem with the huge ass batteries, I like my phone the way it is, so I'm looking for regular size.
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ZeroLemon will be doing a regular sized battery as well which is what i'm waiting for. And ZeroLemon are known for their reliability (and actually being 3000 mAh). I wouldn't trust the ebay ones.

i got one of this to test and it was the perfect replacement battery. So just ordered this from amazon expecting delivery right about now...
http://www.amazon.com/gp/product/B00CI8L1NC/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1

jax5ter said:
i got one of this to test and it was the perfect replacement battery. So just ordered this from amazon expecting delivery right about now...
http://www.amazon.com/gp/product/B00CI8L1NC/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1
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After some research I came to a conclusion I want that one too. Can you check if it's just the same size as the original battery? As I've seen some Anker batteries which were good but slightly too large.

frrlod said:
After some research I came to a conclusion I want that one too. Can you check if it's just the same size as the original battery? As I've seen some Anker batteries which were good but slightly too large.
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the one i tested was non nfc, these are nfc enabled but i doubt that would make them that much bigger to bulge, but ill let you know as soon as this UPS man arrives at my office, gotta love amazon prime! :laugh:

I bought the Anker batteries. Get 2 batteries and a wall charger. The wall charger also has a USB port which can output 1A, which it pretty good to carry around if needed. I've read reviews how when these first came out it was a really tight fit, but it seems that they made adjustments because the ones I received fit in just fine, like the OEM ones.

Being that I dont have 10 post I can't post urls this is
Seller name was -valuebuybattery
Title-3X Battery for Samsung Galaxy SIV S4 GT-i9500 with External Charger 3250 mAh

worth it
I almost always buy the cheapo chinese batteries for my phones. Here are my findings:
They will last throughout the day about as long as genuine batteries... for the 1st year
After the 1st year, they will start to degrade.... depending on your use, lack of use, temperature, etc... I have some 2.5 year old chinese epic 4g batteries that still work.. but only last about 4 hours. My original battery will still go a good 12hrs. I only keep them around for emergencies, but I don't really use that phone anymore.
The cheapo chargers that come w/ it is very handy and usually work pretty well.
Depending on how much you use them, they will last you a couple years.
Why i think they are worth it:
For ten bucks, they are a great backup battery. By that I mean, when get home from work and my battery is almost dead.... I can swap out the battery for the rest of the evening and don't have to put my phone on the charger till bed.
I'm a normal smart phone user, a normal batter will last me the day most days. I don't game or do too many intensive things..
I get them because I know that I will get a new phone every 1.5 to 2 years... so why do my batteries need to outlast the phone?
Who shouldn't use them:
People who really drain their batteries. They simply won't go as many recharge cycles as a normal battery (by that I mean full empty to full charge).
Tips:
Mark your crappy batteries with a permanent marker. The chinese clones look so good that you probably can't tell the difference between them and a real on. Mark the fake ones so that you can use your real on days when you know you really need lasting power. This isn't so important the first 9 months... but after that it could be.
Watch for reviews on a good battery seller (if buying from ebay)... there are good cheap-o batteries and their are crappy ones. I like to let other people figure it out

Any cheap backup batteries yet ?

Any cheap backup batteries yet ? Ideally with wall charger.

I think the only one available right now is the stock Samsung batteries. You might be able to find a 50% off coupon. It comes with a battery charger. However I would wait for a company like Anker to release 3rd party backup batteries because I've found 3rd party batteries to have longer battery life than the stock batteries.

There is nothing. It's funny cause I had the G3 before this and there were a few preorders on Amazon already. I would think there would be more for the Note 4. What sucks is, Samsung had the spare battery with a charger for $20 but it sold out real quick. Who know's when that will come back in stock. I put my email down to know when they come back in stock, but I have done that before and never heard anything.

Made in China batteries
JeffATL said:
Any cheap backup batteries yet ? Ideally with wall charger.
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I can't post links yet because I'm a new user, but go to ebay and search for note 4 batteries. There is one from China that has a picture of three batteries and a charger.
I've used these batteries for my Note II and Note 3. They work great for about 9 months to a year. They still hold a charge after that time, but not as well as the stock battery. The stock battery will eventually crap out too; all batteries do. It's a great deal at $20 for three batteries and a charger. I also prefer to use this charger instead of the one that comes with the phone because it charges more slowly and will give you more charge cycles on your batteries. I would also disable fast charging unless you're desperate for juice because you will get fewer charge cycles out of your batteries before they start to suck.

JeffATL said:
Any cheap backup batteries yet ? Ideally with wall charger.
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I wouldn't use a cheap battery option for a £630 smartphone.

jah said:
I wouldn't use a cheap battery option for a £630 smartphone.
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Exactly this!
Batteries are not something people should cheap out on, for the sake of only £10 or so! Nearly all the cases posted around the internet of people's phones going up in smoke are due to cheap, third party batteries and/or chargers. Then there's the issue that most cheap third-party replacement batteries will have far less than the advertised capacity.
They're just a risk that is not worth it.

drainbamaged said:
I can't post links yet because I'm a new user, but go to ebay and search for note 4 batteries. There is one from China that has a picture of three batteries and a charger.
I've used these batteries for my Note II and Note 3. They work great for about 9 months to a year. They still hold a charge after that time, but not as well as the stock battery. The stock battery will eventually crap out too; all batteries do. It's a great deal at $20 for three batteries and a charger. I also prefer to use this charger instead of the one that comes with the phone because it charges more slowly and will give you more charge cycles on your batteries. I would also disable fast charging unless you're desperate for juice because you will get fewer charge cycles out of your batteries before they start to suck.
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Did you bought those from China? How is it? Anyone knows?

I love the made in China batteries.
I understand the concerns with using a cheap battery, but I've used the ones on ebay for years now without any problems or harm to my devices. The savings are not a mere 10 quid. You get three batteries for half the price of one. The made in China batteries definitely don't last as long as the stock battery, but I've never seen one blow up and I'm not afraid or concerned about it ruining my phone.
There is one legitimate drawback compared to the stock battery though. The NFC chip is embedded in the battery on the note 4 so if you use NFC a lot then clearly you should stick with a stock battery.
I hardly ever use NFC so I'll still use the made in China battery from ebay.

drainbamaged said:
I understand the concerns with using a cheap battery, but I've used the ones on ebay for years now without any problems or harm to my devices. The savings are not a mere 10 quid. You get three batteries for half the price of one. The made in China batteries definitely don't last as long as the stock battery, but I've never seen one blow up and I'm not afraid or concerned about it ruining my phone.
There is one legitimate drawback compared to the stock battery though. The NFC chip is embedded in the battery on the note 4 so if you use NFC a lot then clearly you should stick with a stock battery.
I hardly ever use NFC so I'll still use the made in China battery from ebay.
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I agree 100% with you. I am not worried about the battery blowing up. Its rare. And for my S3 and Epic prior to that they served their purpose. Backup for when you run out of power.
However, based on other thread if I can buy Samsung's for 50% off battery and charger ($20-$25) I would do it, just OOS.

Yeah, personally I have bought those cheap Chinese batteries off of Ebay, and I don't think they are worth it. I'm not worried about them ruining my phone, that is very unlikely. They just don't last long enough. I'm waiting for a reputable company to come out with a set with a charger. Like Anker. That usually runs about $30 bucks with 2 batteries and a charger compared to what $80 for the Samsung one. Even if they are .01% more likely to ruin my phone, that doesn't warrant spending an extra $50 like some people would lead you to believe.

Nate Rules said:
Yeah, personally I have bought those cheap Chinese batteries off of Ebay, and I don't think they are worth it. I'm not worried about them ruining my phone, that is very unlikely. They just don't last long enough. I'm waiting for a reputable company to come out with a set with a charger. Like Anker. That usually runs about $30 bucks with 2 batteries and a charger compared to what $80 for the Samsung one. Even if they are .01% more likely to ruin my phone, that doesn't warrant spending an extra $50 like some people would lead you to believe.
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Anker are very good, and not cheap as OP was talking about. I would use Anker but not a cheap option.

But Anker hasn't been to quick to get batteries out. I would suggest buying the Caseology batteries when they become available on Amazon. They always put up a preorder with a really good price but a ship date that is a month away. I always resist ordering it hoping that something will come sooner but they are usually the first and by the time they ship they are more expensive. And they get pretty good reviews.

FWIW, when I went to charge the batteries for our trade in phones, both stock batteries couldn't hold a charge at all.. BUT the cheap extended batteries I'd purchased from china had no issues at all.
(As a matter of fact, one of the stock batteries had developed that battery bulge we've heard about, and I couldn't even put the back on the phone with it in!)

Just buy the official spare and charge from Sammys site for 50% off.
posted via my Obsidian VZW Note 4

moralesd66 said:
Just buy the official spare and charge from Sammys site for 50% off.
posted via my Obsidian VZW Note 4
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They're currently out of stock, and on backorder.

They get em in fast. Check 2x daily.
posted via my Obsidian VZW Note 4

Odds are we'll see quick chargers paired with 2 batteries on ebay soon for $12 shipped or so, similar to other phone battery options.
Since that's less than 50% the cost of the Sammy's I'll just wait for a week or two for them.

there are several on eBay just be careful as some are just 3000 MAH and some are 5400 MAH so just choose wisely if you decided to buy from eBay but most offer 2/3 batteries for 15$ or so

moralesd66 said:
Just buy the official spare and charge from Sammys site for 50% off.
posted via my Obsidian VZW Note 4
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can you post which coupon code you used? because the ones i'm finding aren't valid even on the other current in stock accessories.

Keep an eye on this thread for coupon codes.

[Q] ZeroLemon Samsung Galaxy S4 3000mAh Battery

I'm thinking about buying the ZeroLemon Samsung Galaxy S4 3000mAh Battery. Any opinions? I heard zerolemon was a pretty good company but I just wanted to confirm.

I bought mine about a month a go and I can definitely feel the difference in the duration of screen-on time. I went from like 4.5 hours to 5 hours roughly. More than worth the price.

noremac258 said:
I bought mine about a month a go and I can definitely feel the difference in the duration of screen-on time. I went from like 4.5 hours to 5 hours roughly. More than worth the price.
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thanks. I'll probably buy them then. 8.99 is a great price haha!

Bought my pair a few months ago. I don't remember the last time I actually plugged my phone into a charger. I just swap the batteries from the phone to the wall charger. I usually get about 15 hours of decent use, about 3.5 hours of screen time, out of each. It's a great buy.
Sent from my SCH-I545 using XDA Free mobile app

Any international sellers? I can't find anything for the UK, all out of stock

crazyguns said:
Any international sellers? I can't find anything for the UK, all out of stock
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I haven't found any in the UK for over a year now, been looking ever since I got my phone last June
Sent from my GT-I9505 using XDA Free mobile app

imlgl said:
I haven't found any in the UK for over a year now, been looking ever since I got my phone last June
Sent from my GT-I9505 using XDA Free mobile app
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Man i've tried emailing bastexwireless but they said they don't have any in stock.. still waiting for something i'll let you know if i find anything..

Does this battery add any bulk, size wise I mean, to the phone? I know the weight will probably be heaver but I had an extended battery for my old Photon 4G and had to go without a case on it because of the size of the battery. I don't want to have to do that but this battery looks promising from what I see.

maybe its matter, maybe not... but note that this battery do not have NFC chip.
i also thought about to buy that battery, but for me, the lack of this NFC chip is a deal breaker.

shop ?
Hey,
Do you have a valid link to a shop that actually sell it ?

likesatan said:
Hey,
Do you have a valid link to a shop that actually sell it ?
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I bought it on amazon.

likesatan said:
Hey,
Do you have a valid link to a shop that actually sell it ?
Click to expand...
Click to collapse
I bought it on amazon
*sorry for double* not sure what happened

dystopiangirl said:
Does this battery add any bulk, size wise I mean, to the phone? I know the weight will probably be heaver but I had an extended battery for my old Photon 4G and had to go without a case on it because of the size of the battery. I don't want to have to do that but this battery looks promising from what I see.
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U will perhaps find it slightly harder to put the battery cover on, but it will fit the same way as stock. Cases wouldn't be an issue.
Whiplash83 said:
maybe its matter, maybe not... but note that this battery do not have NFC chip.
i also thought about to buy that battery, but for me, the lack of this NFC chip is a deal breaker.
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They took nfc away so it can have a slightly higher battery capacity.

The battery very slightly bulges at the back. If you have a very very specific tight fitting case you will notice the slight inconsistancy. I had one that fit the Galaxy S4 specifically however once the battery was put in, it created a few mm gap.
I initially found the battery to add about 30 min extra however, it began to lose it capacity after a few months then became the same if not worse than the stock.
No NFC, bulge, same battery capacity wasn't worthwhile. I bought from bastexwireless and they were a pain to deal with so if you buy expect to make it a permanent purchase. I tired to contact zerolemon as well and they just gave me the runaround.

mikeprius said:
The battery very slightly bulges at the back. If you have a very very specific tight fitting case you will notice the slight inconsistancy. I had one that fit the Galaxy S4 specifically however once the battery was put in, it created a few mm gap.
I initially found the battery to add about 30 min extra however, it began to lose it capacity after a few months then became the same if not worse than the stock.
No NFC, bulge, same battery capacity wasn't worthwhile. I bought from bastexwireless and they were a pain to deal with so if you buy expect to make it a permanent purchase. I tired to contact zerolemon as well and they just gave me the runaround.
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I would say the lifespan of holding its charge is pretty similar to the original samsung battery. Under heavy daily use, it would take abt 3 mths I reckon, for it to start losing its capacity bit by bit. It's just the way they are, so I would still get the zerolemon's since they are pretty cheap compared to samsung's. Over here where I live, the original samsung battery is only sold with the extra battery kit, and it costs abt 30usd. I alr got that so it would still be worthwhile for me to ship the zerolemon's over as I don't stay in the US.
Regarding bastex's customer service, I emailed them once regarding their poorly made wall charger. They responded pretty quickly and offered to send me a new one, as well as 2 new batteries since mine had alr bloated up due to months of heavy use. I guess the bloating issue pretty common. So maybe not all their staff provide quality support. [emoji41]

I just got mine this week. This is day 3 of using it. It seems to do a little better, but I'm still in the break-in phase of the battery. I like the extra weight, as it gives the phone a more substantial feel. It fits fine in my otterbox (defender series, I think). Haven't tested it in my seidio obex case yet. I used their battery with my Verizon Galaxy Nexus, and loved it. I expect good things with it.
I just ordered a single battery ($9.XX, with shipping). I didn't need the second battery, or that external battery charger.

Zerolemon's 7.5Ah batteries for Galaxy S4
Zerolemon's 7.5Ah batteries for Galaxy S4, I ordered 3 from e-bay with 2 chargers. The batteries are heavier than the phone and with case is more than twice as thick(deep) as original phone. Width and length are slightly larger too but not appreciably so. Big plus is am never tethered to wall and each battery will last 20+ hours of constant Internet use. Simply swap batteries after running it until <= 2%; one is typically always on charger. Phone with case/battery carries nicely in a LBT Holster.

The zerolemon wall charger is really low quality. It works (charges ur batt from zero to full in abt 4-5 hrs) for the first few weeks, and then takes longer and longer to charge.
Another alternative to never having to charge your phone on the wall is to get the official samsung extra battery kit. That charger is top notch. I got that and use it with my zerolemon's. So I don't need to deal with a huge bulky extended battery either.

It's a small bit bigger than the original battery. It makes putting on your battery cover a little bit more difficult, but not bad. I have a defender case and it makes it just a little tighter.
Sent from my SCH-I545 using XDA Free mobile app

So far, my zero lemon 3000 mah battery isn't performing too great. I think I'm going to try and return it for another one to see if the ladder is better. I get about 4 hours of screen on time.

Battery for Note 4

Hello,
I want to change the battery in my note 4 but it seems that there are false ...
or find a Samsung original battery at a good price?
or find a battery of another brand but powerful?
thank you

I have been using the below battery for 3 months now. It works great. Just like factory. I ordered it from amazon. Search" Galaxy Note 4 Battery, Anker 3220mAh Li-ion Battery for Samsung Galaxy Note 4".

hamza786 said:
I have been using the below battery for 3 months now. It works great. Just like factory. I ordered it from amazon. Search" Galaxy Note 4 Battery, Anker 3220mAh Li-ion Battery for Samsung Galaxy Note 4".
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Agreed, I've been using Anker 3220mAh for about half a year now. The good thing is the package on amazon comes with two at a fairly good price and an external charger. Ive been carrying the extra with me always and never had problem with battery life because i just swap when one dies.

Note 4 Battery
jfg001 said:
Hello,
I want to change the battery in my note 4 but it seems that there are false ...
or find a Samsung original battery at a good price?
or find a battery of another brand but powerful?
thank you
Click to expand...
Click to collapse
I bought a extended battery as well as a standard battery for my Note 4 that I found online that has worked well for me so far. It has to charge all night but I've been getting around 35+ hours of use out of a battery.
http://gorillagadgets.com/collections/batteries/products/samsung-galaxy-note-4-6500mah-extended-life-battery

Another vote for Anker.
Sent from my SM-N910U using Tapatalk

I've got several 10,000mAh ZeroLemon batteries and a couple of Hyperion 10,000mAh batteries as well. The difference, ZeroLemon is a TriCell battery so you won't get a 100% accurate battery reading unless you pull the battery and reinsert it. The Hyperion is a single cell battery that will always report the correct battery states, however the Hyperion doesn't hold up as long as the ZeroLemon in my opinion. I tested both batteries when they first were released for the distributorship in the USA. The Anker battery I've never tried, however there are literally thousands of positive comments on that battery so I'd have to agree it must be a good battery as well. If your looking for a replacement battery pretty close to OEM, I'd go with the Anker. However if your looking for more power I'd go with the Hyperion. And finally if you're looking for more power, durability, and a battery that just don't quit, I'd go with the ZeroLemon. Personally I use ZeroLemon and a full charge with literally everything on, full brightness, Bluetooth, WiFi, heavy use, etc, etc, etc, will run for 2 1/2 to 3 days. But now it's a beast of a battery and it's not that light either. I'm a former SEAL, & I consider my cellphone with the ZeroLemon battery my concealed weapon, lol. One hit with that thing and it's lights out, lol.
Developers don't need no stinkin' signature!
If I've been able to help you, please hit the "Thanks" button. *

Been using my Anker for 1.5yrs too. Love the peace of mind of knowing you will never run out of power and need to charge outside.
Sent from my SM-N910W8 using Tapatalk

I'd just get the official Samsung Galaxy Note 4 Extra Battery Kit. As you will also get a dedicated charging cradle with the battery.

hamza786 said:
I have been using the below battery for 3 months now. It works great. Just like factory. I ordered it from amazon. Search" Galaxy Note 4 Battery, Anker 3220mAh Li-ion Battery for Samsung Galaxy Note 4".
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I think Anker always produce good products.That may be perfect.

So, if the Anker battery is the the same capacity as the Samsung, then why would it be any better?

PDADoc said:
So, if the Anker battery is the the same capacity as the Samsung, then why would it be any better?
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I'd like to know too.
Sent from my SAMSUNG-SM-N910A using Tapatalk

PDADoc said:
So, if the Anker battery is the the same capacity as the Samsung, then why would it be any better?
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Probably less chance of a counterfeit. Counterfeiters love to copy Samsung products.
Sent from my SM-N910T using XDA Free mobile app

nine5raptor said:
Probably less chance of a counterfeit. Counterfeiters love to copy Samsung products.
Sent from my SM-N910T using XDA Free mobile app
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I hadn't thought of that. I tend to purchase directly from Samsung to avoid just that; it's worth the few extra dollars for peace of mind, plus should anything go wrong I have a reliable (and accountable) place to go back to.
Sent from my SM-N910T using Tapatalk

jfg001 said:
Hello,
I want to change the battery in my note 4 but it seems that there are false ...
or find a Samsung original battery at a good price?
or find a battery of another brand but powerful?
thank you
Click to expand...
Click to collapse
If you want an battery with a good price, try searching an OEM Samsung battery.
OEM battery is an original one but without proper packaging as it should be sell to a manufacturer not to end user.
An OEM battery might cost much less than the original non OEM.
Make sure it is an Original OEM battery by buying from trusted vendor.

spexwood said:
I'd like to know too.
Sent from my SAMSUNG-SM-N910A using Tapatalk
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Click to collapse
Cheaper for equal if not almost the same quality. Bang for your buck for not having to pay "brand" taxes.
Sent from my SM-N910W8 using Tapatalk

Maybe you should consider buying the extra battery kit. You get a new battery and a charger, so you can charge it outside the phone. In this way you are almost certain that the product is genuine, plus you can use your old battery as a backup, even if it's not in the best shape.

emilgue said:
Cheaper for equal if not almost the same quality. Bang for your buck for not having to pay "brand" taxes.
Sent from my SM-N910W8 using Tapatalk
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Click to collapse
"Brand taxes"? I hear this phrase thrown about quite a lot, but what does that really mean??? I'll overpay for the device, but I'll try to save a few dollars on the accessories. Consider this: anecdotally, there have been more than a few cases of those third-party batteries failing or exploding. If it's a power accessory like a battery or charger, I'd much rather take my chances with the brand's items than a third-party just to save a few bucks.
Put it this way: to me, it's like purchasing a performance automobile but servicing it with aftermarket parts and filling it with regular gasoline, just to save money.

PDADoc said:
Put it this way: to me, it's like purchasing a performance automobile but servicing it with aftermarket parts and filling it with regular gasoline, just to save money.
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Click to collapse
I think it is more like servicing your (performance or not) car at stealership vs local mechanic. As long as you know that they are good trusty mechanic (or good brand in case of battery) you should be good without paying the premium.

Okay . . .
I respectfully disagree, but we'll chalk this up to parallax and leave it at that.
Sent from my SAMSUNG-SM-T807A using Tapatalk

i just bought KPS-5600mAh-EB-BN910BBK and it's total useless.

Looking for a good new battery

Guys, my note 4 is almost 2years now, my battery is getting old, and may be it's time to buy a new one, because i intend to go on with this wonderful Note 4.
So, which new battery should i look for? OEM? Some special brand? My goal is to avoid those fake pseudo Samsung batteries, and pay what it costs for a really good one.
What's your opinion?
Sent from this galaxy
EDIT. What about Anker or Zerolemon? Are these better than Oem?

I recently bought a battery for my note 4 as well. To avoid any issues I went to the samsung service center and ordered it from there. I suggest that you check the official online store of Samsung.

I bought the Anker 2-pack with travel charger from amazon. They're holding up pretty well. I've bought Anker for my other phones as well and have never had any issues with their product.

driguy said:
I bought the Anker 2-pack with travel charger from amazon. They're holding up pretty well. I've bought Anker for my other phones as well and have never had any issues with their product.
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Is this an internal Samsung-size battery or a powerbank? And how many mAh?
Sent from this galaxy

pr1jker said:
Is this an internal Samsung-size battery or a powerbank? And how many mAh?
Sent from this galaxy
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They're talking about a 2-pack of internal after market (non-Samsung) batteries. Anker is a good brand, as far as I've seen.

Here,take those ones.My opinion is that this are the best ones.Not cheap but long live,good for using.https://www.amazon.de/original-JuBaTec-Akku-Samsung-SM-N910F-EBBN910BB/dp/B00UMMHG76

If you don't mind your phone being a brick, try using Zerolemon or Hyperion? If you use Zerolemon you might need a kernel fix though!

manne48 said:
Here,take those ones.My opinion is that this are the best ones.Not cheap but long live,good for using.https://www.amazon.de/original-JuBaTec-Akku-Samsung-SM-N910F-EBBN910BB/dp/B00UMMHG76
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Thanks so much! Just ordered it.
Sent from this galaxy

You have to load the akku at least two or three times,from under5 till 100,%.....i got my yesterday,build in China but it's good and ok!
Gesendet von meinem SM-N910F mit Tapatalk

I killed my Note 4 battery by using a cheap eBay Qi receiver. Charging made it very hot, and the battery swelled and died.
I bought two replacements, both supposedly Samsung OEM batteries. I got one from Sprint, and another from Amazon. They look identical, but the one from Amazon is almost certainly a cheap clone. It doesn't hold a charge as well as the one I got from Sprint, which is probably the true OEM.
By the way, I switched to the Samsung OEM Qi wireless charging cover, and now it charges fine with no heating up. If you want to go wireless charging, I strongly recommend avoiding the cheap crap.

I've been buying Anker batteries for my S3, Note 3 and now Note 4 and I recommend them. Solid and reliable and if you have any issues, Anker are great to deal with.

ANKER for sure. Equal or better than OEM quality, and you really don't want to mess with low quality batteries. Be careful of supposed OEM batteries on ebay or Amazon, many are counterfeit.

This is the first time I've been disappointed by Anker. Bought a 2pk a while ago. They barely fit in the phone and kept popping out of their charger too. They sent me a replacement and they weren't much better. I pulled the bottom plastic piece off, scraped off the black adhesive and glued the bottom piece back on. Fit better. Still kept the old ones too. Rotated them all. Used a rubber band to keep the first two in the charger. Well they all pretty much started to bulge. Some worse than the others. I gave up on them. I have Anker batteries for 3 different phones, and these are clearly inferior in basic build quality to them. So I abandoned them.
Went with the Akku Polarcell. I also have a new OEM battery. After about 3 months of rotating the two, I feel ilke the Akku last a little longer than the OEM. Purely perception. I don't have the time nor inclination to test them properly. But here's someone else's review on here: Polarcell Review

Wireless charging
So using an aftermarket wireless charger is likely to kill the battery quickly?

PhopsonNY said:
So using an aftermarket wireless charger is likely to kill the battery quickly?
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Don't think so. I've been using a Choetech wireless charger for 18 months with no problems. As long as the charger and receiver are Qi compatible there shouldn't be any problems. What will kill your battery is using wired charging with fast charging enabled all the time.