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[Q] what is the best battery???

i need a good battery for me cause i use my phone 24/7 and i dont want it dying, so what is the best long lasting battery there is out there? hopfully someone will tell me tonight so i can buy it right now from ebay

cwa542 said:
i need a good battery for me cause i use my phone 24/7 and i dont want it dying, so what is the best long lasting battery there is out there? hopfully someone will tell me tonight so i can buy it right now from ebay
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4500 Mah Mugen extended

Longest lasting regardless of price is the Mugen 4500 mAh.
I'd recommend trying out one of the eBay 3500 mAh batteries for ~$10 and seeing if it meets your needs first though. I know mine's been pretty great for my usage.

Give a EBay extended battery a try if you don't have $100.00 to spend on a battery.
I had the battery over a week with good results.
Sent from my LG-P999 using XDA Premium App

cwa542 said:
i need a good battery for me cause i use my phone 24/7 and i dont want it dying, so what is the best long lasting battery there is out there? hopfully someone will tell me tonight so i can buy it right now from ebay
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Mugen 4500 mah still performing awesome on my phone. If you want to go from morning to night, playing music and videos almost non stop, surfing the web and making calls, without having to tug your charger along, after more than 14 hours of constant use and abuse of battery draining apps you'll still be at or around 65-70% by the time you get home at night. Then just top it off again for another day.

jacob808 said:
Mugen 4500 mah still performing awesome on my phone. If you want to go from morning to night, playing music and videos almost non stop, surfing the web and making calls, without having to tug your charger along, after more than 14 hours of constant use and abuse of battery draining apps you'll still be at or around 65-70% by the time you get home at night. Then just top it off again for another day.
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Exactly why I got the Mugen. The only thing I don't like is the way photos taken with the flash look. The light reflects off the battery cover and discolors the photos. That said, I'd go crazy without this battery. Lol

QCell SkyRocket 3850mAh Extended Battery

with stock battery, i've been getting extremely horrible battery life around 6 hours maximum with tethering. I think most people using this phone in this forum is getting the same problem
Went to amazon.com and found a 3850mAh Extended Battery for Skyrocket made by QCell. It have the highest mAh rating among all other manufacturers.
Product arrive 1 day from purchase. The seller seems to ship out pretty quick. I charge the battery for 8 hours prior to use and now with this battery, I can last full day without charge.
The cover that comes with the battery is in reflective black. Matches quite nicely to the phone.
http://www.amazon.com/QCell-Samsung-SkyRocket-Extended-Compatible/dp/B006SK5I3K/ref=sr_1_2?ie=UTF8&qid=1329788198&sr=8-2

ckang008 said:
with stock battery, i've been getting extremely horrible battery life around 6 hours maximum with tethering. I think most people using this phone in this forum is getting the same problem
Went to amazon.com and found a 3850mAh Extended Battery for Skyrocket made by QCell. It have the highest mAh rating among all other manufacturers.
Product arrive 1 day from purchase. The seller seems to ship out pretty quick. I charge the battery for 8 hours prior to use and now with this battery, I can last full day without charge.
The cover that comes with the battery is in reflective black. Matches quite nicely to the phone.
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Could you take a picture?

ckang008 said:
with stock battery, i've been getting extremely horrible battery life around 6 hours maximum with tethering. I think most people using this phone in this forum is getting the same problem
Went to amazon.com and found a 3850mAh Extended Battery for Skyrocket made by QCell. It have the highest mAh rating among all other manufacturers.
Product arrive 1 day from purchase. The seller seems to ship out pretty quick. I charge the battery for 8 hours prior to use and now with this battery, I can last full day without charge.
The cover that comes with the battery is in reflective black. Matches quite nicely to the phone.
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Pic pretty please!
Sent from my SAMSUNG-SGH-I727 using xda premium

Here is the link to the product..
$16.99 + shipping
http://www.amazon.com/QCell-Samsung-SkyRocket-Extended-Compatible/dp/B006SK5I3K/ref=sr_1_fkmr0_2?ie=UTF8&qid=1327886592&sr=8-2-fkmr0
Wish the back wasn't so blocky. Hope OP puts up some pics of his use of this.

It's better idea to buy 3 pack of knock off batteries with charger on Ebay for $10. That's what i've done and i've had the batteries for 2 months now.. The knock off batteries last about 80-90% as long as the original. I always keep two charged and swap them whenever needed and bam back to 100% and no oversized backing in which no case can fit
Sent from my SAMSUNG-SGH-I727 using xda premium

can you take a picture of your phone and post it up please. this doesnt give me an idea of what phone will look like

What do you think about this battery? http://www.seidioonline.com/samsung-skyrocket-3800-extended-life-battery-p/bacy38sssky-bk.htm
Sent from my SGH-I727R using Tapatalk

Most of the extended batteries I looked for were out of stock and I don't want to go to the larger back if possible. I did find these in a 2 pack with charger for around $25. Anyone have good/bad to say about them. http://www.amazon.com/Hyperion-Samsung-Skyrocket-Battery-Charger/dp/B0062D3UI8/ref=pd_cp_cps_0

Seems interesting but how is the quality on these batteries
Sent from my SGH-I727R using Tapatalk

Redhead518 said:
Most of the extended batteries I looked for were out of stock and I don't want to go to the larger back if possible. I did find these in a 2 pack with charger for around $25. Anyone have good/bad to say about them. http://www.amazon.com/Hyperion-Samsung-Skyrocket-Battery-Charger/dp/B0062D3UI8/ref=pd_cp_cps_0
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I got those and they worked ok. Don't last as long as the OEM but you have an option of switching the batteries when waiting for the other to charge. They take a long time to charge from 0 to 100%. Still a better alternative than getting stuck with 1 battery. For me they last about 4 hours with listening to the radio on LTE and with everything else running in the background. This phone does suck a lot of juice.

helio2k said:
What do you think about this battery? http://www.seidioonline.com/samsung-skyrocket-3800-extended-life-battery-p/bacy38sssky-bk.htm
Sent from my SGH-I727R using Tapatalk
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I have this one, unfortunately I haven't had to check it out, I'll try to fire it up this week.

Thanx let me now if it's worth the money and also if the thickness does not kill the looks.
Cheers ;-)
Sent from my SGH-I727R using Tapatalk

silkshocker said:
I got those and they worked ok. Don't last as long as the OEM but you have an option of switching the batteries when waiting for the other to charge. They take a long time to charge from 0 to 100%. Still a better alternative than getting stuck with 1 battery. For me they last about 4 hours with listening to the radio on LTE and with everything else running in the background. This phone does suck a lot of juice.
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Sounds like its not even close to 3800mah, or even 1800mah. Cheap batteries are notorious for overstating their actual capacity.
Sent from my SAMSUNG-SGH-I727 using Tapatalk

If u guys read what I wrote you would only have to spend $10 and get 3 batteries along with charger.. One of the batteries lasts a decent amount of time. I've been running on the Ebay battery since 6am and its now 152 pm. And I'm at 30% with decent data usage. I got my stock battery fully charged and ready to go for when I run out.. And I have the other two batteries as back ups if one of the batteries decides to fail. That beats having an oversized backing anyday
Sent from my SAMSUNG-SGH-I727 using xda premium

Girn said:
If u guys read what I wrote you would only have to spend $10 and get 3 batteries along with charger.. One of the batteries lasts a decent amount of time. I've been running on the Ebay battery since 6am and its now 152 pm. And I'm at 30% with decent data usage. I got my stock battery fully charged and ready to go for when I run out.. And I have the other two batteries as back ups if one of the batteries decides to fail. That beats having an oversized backing anyday
Sent from my SAMSUNG-SGH-I727 using xda premium
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It depends on whether you carry a briefcase , are around a single place regularly, or have neither apply to you. I'm all over the place without a bag daily, so batteries in the pockets makes no sense.
Sent from my SAMSUNG-SGH-I727 using Tapatalk

blackraven1425 said:
It depends on whether you carry a briefcase , are around a single place regularly, or have neither apply to you. I'm all over the place without a bag daily, so batteries in the pockets makes no sense.
Sent from my SAMSUNG-SGH-I727 using Tapatalk
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Same here that you need the battery power last you the whole day.
Sent from my SGH-I727R using Tapatalk

Looked at extended batteries but didn't want to add thickness. Found an external battery pack (8400mAh) that works great, especially since I use a tablet. Gotta carry an extra device, but that works for me. Can get smaller capacity for about 1/2 the price of the one I got.
Can't post links since I'm a noob . Search Amazon for Anker external battery pack.

helio2k said:
What do you think about this battery? http://www.seidioonline.com/samsung-skyrocket-3800-extended-life-battery-p/bacy38sssky-bk.htm
Sent from my SGH-I727R using Tapatalk
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Finally had a chance to run this battery through its passes the last few days.
Let me describe my day.
I run an IT shop so I get lots of status, info, newsletter etc emails throughout the day. In addition I get text messages regularly, email on my gmail account, facebook updates and hourly twitter updates via plume.
So my phone comes off the charger around 7am(on home wifi), I start dealing with work emails at that time.
I do a commute of about 40-45 min where I'll listen to music that is stored on my phone pipe through my cars audio system in the morning. Get to work(go back to wwifi), then the phone will be on on sound notification for text and work email throughout the daily. I also run NoLED for notification.
Lunch time I'll come off wifi as I head out but I'll the phone will see increase usage as I'll browse various apps, play a few games, etc.
Back to just status notifications for the rest of the work day(back on wifi), then an evening commute home listening to music again, and back on wifi at home.
With that in my the stock battery will start at 100% and by the end of the day as I get in my car to head home be at about 15%-17%.
Yesterday the extended battery was at 45% when I got in the car, and by about 10:30pm was still at about 15%.
Today I didn't use my phone as much today (limiting it to mostly status updates which still come regularly) and my phone right now is at 65%.
This will work for me. I really only have an extended battery for periods where I'm not going to be near a charger... basically a day when I know I'm going to be out and about, as oppose to at work or in my car.
So with that being said I'm happy with the purchase.
edit: I also own an Energizer XP18000 which I can use to charge my phone and my Xoom 4G tablet that will come in to play when I head out on business trips for IT conferences.

So, you're gettng a 30% increase from a supposed 1950mah increase in battery capacity over the 1850 mah stock. That sounds like a 2400mah battery rather than a 3800mah battery.
Sent from my SAMSUNG-SGH-I727 using Tapatalk

blackraven1425 said:
So, you're gettng a 30% increase from a supposed 1950mah increase in battery capacity over the 1850 mah stock. That sounds like a 2400mah battery rather than a 3800mah battery.
Sent from my SAMSUNG-SGH-I727 using Tapatalk
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My testing was very unscientific and this is really only the first day of usage. I vaguely remember that with many of these batteries folks have commented that the increase gains fairly quickly over a short period of usage/recharging?

Extended battery?

I have an extended battery for my. Inspire(1850 mah) but it still doesn't help that much and I was wondering even though it is a unibody cover if there is an extended battery with a cover like the extended battery for the Google nexus 1
Sent from my magic piece of metal using even more magic

hey let them completely discharge 3 times ( after it dies , wait about 5 minutes and power on the phone again let it power off)
don't let the battery charging over night . about a 3 hr and 30 mins to 4 hr will do.
i have a 1500 mA battery . it last me about a 1 with heavy use .( temple run , music , pandora , gps , text , photos , and reading )

Never try to let you batteries run completely dead. This will shorten the life of Li-Ion batteries. And feel free to let your batteries charge over night. When the battery gets charged fully the charging will stop or slow as needed. They will not overcharge. The charging systems of phones have their own regulation. Not sure where previous poster got his info. Guess his phone still uses NiCads.
Yet to see an extended battery for The Inspire with the custom cover. There is a battery pack that attaches to the back of the phone but I can't remember the make. There was big talk when they were released but I hear little about them now.

Agoattamer said:
There is a battery pack that attaches to the back of the phone but I can't remember the make. There was big talk when they were released but I hear little about them now.
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Powerskin. Never used it. Would have to give up my Defender. Some people like it.
Sent using the power of the dark side.

just looked up the powerskin looked siick gonna buy it

biglittlegato said:
Powerskin. Never used it. Would have to give up my Defender. Some people like it.
Sent using the power of the dark side.
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I knew someone would remember.

Agoattamer said:
Never try to let you batteries run completely dead. This will shorten the life of Li-Ion batteries. And feel free to let your batteries charge over night. When the battery gets charged fully the charging will stop or slow as needed. They will not overcharge. The charging systems of phones have their own regulation. Not sure where previous poster got his info. Guess his phone still uses NiCads.
Yet to see an extended battery for The Inspire with the custom cover. There is a battery pack that attaches to the back of the phone but I can't remember the make. There was big talk when they were released but I hear little about them now.
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that i read , is not good to let the battery over charge , that has happened to me, i have let it over charge overnight , after that the battery life gets reduce, i have an app call current monitor , after the battery reach 4.209 V . if i let sit there charging, the voltage starts to go down . ( maybe is the app)
with a 3 hour charge , i get about a day use out of the cell phone . letting the battery died the first three time you put it in the phone , i was told by th rep of the company that sold me the item , like i said before i get pretty good battery life , even with heavy use , now that temple run is in android . even more fun ..

Not that its a huge improvement over 1850 but the best I've seen for the inspire are 2000mAh, I just kept searching on ebay in 100 mAh increments until I got no results.

robsquared said:
Not that its a huge improvement over 1850 but the best I've seen for the inspire are 2000mAh, I just kept searching on ebay in 100 mAh increments until I got no results.
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Sadly there are no "real" extended batteries for the inspire, they all have exaggerated
ratings, and the Powerskin is an external battery/case and I like my otterbox to much
to use it.

will1384 said:
Sadly there are no "real" extended batteries for the inspire, they all have exaggerated
ratings, and the Powerskin is an external battery/case and I like my otterbox to much
to use it.
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Yeah i ordered the Powerskin and am gonna get it in a few days I think that will be better than the extended battery
Sent from my magic piece of metal using even more magic

Has anyone tried the monoprice usb battery packs? Thinking of picking one up but need to think of some other stuff to get with it first to justify the shipping.

In pretty sure my friend has one of those and i know it charges his phone in like a half hour when it's almost dead btw he has the Samsung infuse
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th3lawmak3r76 said:
In pretty sure my friend has one of those and i know it charges his phone in like a half hour when it's almost dead btw he has the Samsung infuse
Sent from my magic piece of metal using even more magic
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cool i'll have to pick one up

Be extra careful were you buy your extended life batteries from.. i ordered two and got what i paid for... they were 1850mAh which did last about 4 hours longer then the original but which one my camera didnt work... Said something to the tune of "Cannot use flash in cold weather conditions"... When i saw this for the first time i was like WTF its 80 degrees outside... then i changed batteries again and it worked... obviously something wrong in the battery.
It i probably worth spending a little more money on the battery to get better quality product.

saw this on ebay...2450mah
highest capacity ever for the HTC DESIRE HD or INSPIRE 4G
you can search on ebay for HTC DESIRE HD 2450mah...
not sure about it's performance, since it's made in china.

you are awesome
anthony0721 said:
highest capacity ever for the HTC DESIRE HD or INSPIRE 4G
you can search on ebay for HTC DESIRE HD 2450mah...
not sure about it's performance, since it's made in china.
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THank you is it gold?

LogicDeifying said:
THank you is it gold?
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Probably not.
According to the DHD community the Mugen is the only trustworthy one, and that's at around 1650mah. The ones you see online are rarely what they claim to be.

1800 Andida good

Basically Mugen and Anker are the only good extended batteries it seems, and even then they don't seem to help much. D: I still wanna pick up an extra battery just in case for long trips, etc.

Note 4 Anker battery

How are you guys feeling about this battery? I decided to try it out, back when I had the GS3 I bought one of those 9000mah batteries and it was an extremely rare day that I went below 50% battery, so I went for the 6000mah anker battery here since it is cheaper.
I definitely feel like it has extended life, but it feels like it's only about 50% better as opposed to 100% longer life. I can usually make it to the end of the day now, whereas before I was putting it on the charger when I'd get home from work every day.

It all depends on the use of the phone. I know people that make 3 days use with Zerolemon and some make 18 hrs.
BAD ASS NOTE 4

Anker 6400mah?
[email protected] BOC5 stock, for now.

Im thinking the same!
I want to buy the replacement battery for note 4 3220mah , they say they have stronger cells!
Anyone can confirm this? Any comparisons with stock samsung battery
After LP update BOC5 my battery life is decreased , atm i am at 42% with 3hours and 6 minutes of SOT with a total of 8hours
Also if i root it and greenify some sh!t will i see big difference?
Sent from my SM-N910F using XDA Free mobile app

patriotaki said:
Im thinking the same!
I want to buy the replacement battery for note 4 3220mah , they say they have stronger cells!
Anyone can confirm this? Any comparisons with stock samsung battery
After LP update BOC5 my battery life is decreased , atm i am at 42% with 3hours and 6 minutes of SOT with a total of 8hours
Also if i root it and greenify some sh!t will i see big difference?
Sent from my SM-N910F using XDA Free mobile app
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I haven't seen any change with greenify anymore. Have done test with it and without. It drains more battery running in the background on the note 4
BAD ASS NOTE 4

BACARDILIMON said:
I haven't seen any change with greenify anymore. Have done test with it and without. It drains more battery running in the background on the note 4
BAD ASS NOTE 4
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Damn..
If i root it what other options do i have to have more battery life?
Sent from my SM-N910F using XDA Free mobile app

I bought the 2 ankar batteries that a rotate with the OEM. they are very good and worth the money.
only complaint would be there is a plastic piece on the bottem of the battery that locks it into place. I left it in my car a couple time and it melted and fell off. so now on one of the batterys it fits loose and sometime makes my phone reboot from being knocked around. but i added some tape to the bottem and it fixed the lock and i dont have the problem anymore. it only happened with one of the batteries.

is the battery life better on the anker one? than the original samsung battery

CUKIO34 said:
I bought the 2 ankar batteries that a rotate with the OEM. they are very good and worth the money.
only complaint would be there is a plastic piece on the bottem of the battery that locks it into place. I left it in my car a couple time and it melted and fell off. so now on one of the batterys it fits loose and sometime makes my phone reboot from being knocked around. but i added some tape to the bottem and it fixed the lock and i dont have the problem anymore. it only happened with one of the batteries.
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Click to collapse
email [email protected] I had that set and had a problem with one of the batteries and they sent a replacement in 4 days from my email
patriotaki said:
is the battery life better on the anker one? than the original samsung battery
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seems comparable, I don't use the stock battery that much since I can quick charge or swap for a full charged (using the external charger included with the 2 pack)
aclays said:
How are you guys feeling about this battery? I decided to try it out, back when I had the GS3 I bought one of those 9000mah batteries and it was an extremely rare day that I went below 50% battery, so I went for the 6000mah anker battery here since it is cheaper.
I definitely feel like it has extended life, but it feels like it's only about 50% better as opposed to 100% longer life. I can usually make it to the end of the day now, whereas before I was putting it on the charger when I'd get home from work every day.
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I've had pretty good results. I went 2 days 6 hrs with 7:15 screen on, 20 hrs wifi, 34 hrs 4g screen on 50-60% brightness
i'll be posting a thread in a bit on it.

I posted (at length) on my experience with the 3220mah battery here: http://forum.xda-developers.com/showpost.php?p=60356709&postcount=7
Hope that helps

I just got the Anker 3220 last week & so far it does seem to do a little bit better than the stock battery. Not by much, but I've definitely noticed that I don't need to put on on the charger as much.

Extended battery 11800MAH for the NOTE 4

Hi everyone,
i just wanted to share my experience with a battery from TQTHL built with the latest 2017 battery technology.
it's the most powerful battery i've ever seen for the note 4, insane 11800mah and when i tested it i got 12130MAH out of that battery so even more than the claimed 11800mah.
i tried the zerolemom 10000mah and the hyperion 9600mah but so far this is the best battery i've tested.
the battery comes with NFC and a good case cover...
just google TQTHL 11800mah or you can see a youtube video testing too
UPDATE 10/08/2017
check post 30 below for screenshots and insane battery settings
https://forum.xda-developers.com/showpost.php?p=73299611&postcount=30
Overall the note 4 is the only phone capable of having this battery life, i got 6 days of normal usage out of that battery.

Thank you, could you post som pictures for battery and SOT ?

How many screen on time hours do you get?

Th30n1 said:
How many screen on time hours do you get?
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around 48h screen on with heavy usage and a little underclock on the cpu and -20mv on voltages, also i'm using the Lionheart governor that i modded to be more battery friendly and i use greenify and customized Amplify...

Egy.One said:
Thank you, could you post som pictures for battery and SOT ?
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i will as soon as i'll be able to post pictures and links

Why in Syria we dont have this things ??

MHD_aliwe said:
Why in Syria we dont have this things
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There is nothing like that in Middleast, you have to order it from amzon.

Does the Zero Lemon fix in the kernel work with this battery?

aminofgodseeker said:
around 48h screen on with heavy usage and a little underclock on the cpu and -20mv on voltages, also i'm using the Lionheart governor that i modded to be more battery friendly and i use greenify and customized Amplify...
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Click to collapse
Thats amazing man share your settings. Thats awesome. Also have you find belt clip for the case that comes with the battery

Th30n1 said:
Thats amazing man share your settings. Thats awesome. Also have you find belt clip for the case that comes with the battery
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i'm currently doing more testing while leaving screen on all the time, also i'm still looking for the best battery friendly rom.
also i'm modding everything to true black theme for amoled...
and the zerolemon kernel work with it 100%.
didn't look for a beltclip (i dont need it)

aminofgodseeker said:
i'm currently doing more testing while leaving screen on all the time, also i'm still looking for the best battery friendly rom.
also i'm modding everything to true black theme for amoled...
and the zerolemon kernel work with it 100%.
didn't look for a beltclip (i dont need it)
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Click to collapse
Thank you. Let me knoe when your done your testing i want to try them out. Because i have a zerolemon battery but i think its dying i used to get 15 hour svreen on time now i only get like 7 same usage as before i think a got a lemon. Also does you phone shuts down randomly? Mine does.
What rom are you using?

aminofgodseeker said:
around 48h screen on with heavy usage and a little underclock on the cpu and -20mv on voltages, also i'm using the Lionheart governor that i modded to be more battery friendly and i use greenify and customized Amplify...
Click to expand...
Click to collapse
I actually just got that battery. Can you please walk me through your settings?

@aminofgodseeker I'm currently on the MoDestRom v9 ROM, and am using the ZeroLemon battery. I'm on my second ZeroLemon, as my first one seemed to not be charging/discharging correctly any longer. I bought it maybe a month and a half ago and I recently just discovered this battery. Wish I had waited.
My ZeroLemon battery, I've drained it to 0% while on this ROM, and the ROM author had released a kernel that supports the ZeroLemon battery. It seems to calibrate well, as there are no 1% issues. I wouldn't know if the same setup would work for this higher capacity or not.
To give you an idea of how well my ZeroLemon battery worked one day, I essentially unplugged my phone at 7:30 am, used it more or less for 4 hours just searching the internet and then playing offline games while i was on a 2 hour plane ride, and then using it for another 5 hours for a car triip (with Google Maps). 15 hours later of extremely heavy usage, full screen brightness, not being plugged into power, I was down to 21%. I doubt a stock battery can handle that. Not only that, prior to the Verizon variant being unlocked, I'm pretty sure I would've gotten to 3% much sooner, had to deal with the dimming, and I would've survived on 1% for a very long time.
So maybe give that ROM a shot if you have this battery and see what you think. I'm sure if there was enough interest, if necessary, the author would modify his kernel to work with this battery.

Beware This battery doesnt have the NFC chip. My battery is going back to Amazon.

Does anyone know of a reseller who will ship to Australia? Everyone I've found so far seems to be US-only and my Zerolemon is dangerously bulging!

I'm very curious about this battery. Can that has this battery tell me, how loose the charging cable connector is when using this battery? I'm on the ZeroLemon battery at the moment, and while the battery works fine, the charging port isn't very secure, as the insides are wobbly.

JOSHSKORN said:
I'm very curious about this battery. Can that has this battery tell me, how loose the charging cable connector is when using this battery? I'm on the ZeroLemon battery at the moment, and while the battery works fine, the charging port isn't very secure, as the insides are wobbly.
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There is no reason for the battery to have any effect on the USB socket of your phone. I also have the Zerolemon battery on my Note4. The case that comes with this battery gives you full access to the charging port without any obstructions.

Artstar said:
There is no reason for the battery to have any effect on the USB socket of your phone. I also have the Zerolemon battery on my Note4. The case that comes with this battery gives you full access to the charging port without any obstructions.
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With your ZeroLemon vs the stock battery, is the charging port more loose?
Sent from my SM-N910V using Tapatalk

JOSHSKORN said:
With your ZeroLemon vs the stock battery, is the charging port more loose?
Sent from my SM-N910V using Tapatalk
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Like I said before, there is no effect on the charging socket of your phone when using one of these batteries with their case. It is impossible for the battery to cause your charging port to feel or become loose. Something else is wrong with your phone. It's not the battery.

Can somebody else test the NFC in the battery?