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Am I the only person who has thought of this? I have multiple batteries and it kinda gets old having to reboot every time I need to switch batteries, so I thought that maybe there was a way to mod 2 of them together in order to get longer battery life.
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Good idea!
You'd have to figure out which terminals on the battery are Positive/Negative/Temperature. Then you want to connect the batteries in Parallel, (Positive to Positive, Negative to Negative) don't mess with the temperature terminal. Check the volts before and after! They should be the same!
I did a Google search in hopes someone else did this with a cellphone, but didn't find anything. So here is a Instructables about creating a external battery source. It has good information about what you want to do.
http://www.instructables.com/id/Double-Capacity-MintyBoost-with-4-AA-Battery-Holde/step10/Connecting-battery-banks-in-parallel/
Happy Mod-ing!
That is already what most of the "extended" batteries sold are and why they are twice the thickness. Hong Kong thought of it awhile ago.
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I just keep an extended battery case with 2 normal batteries under it. But yes, good idea
sent from my always aosp epic
Perhaps take the housing of one of them cheap extended batteries and replace the 2 cells with 2 oem 1800mah samsung cells from the new epic.
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What would be interesting would be to mod the software rules to allow a hot swap of batteries if plugged in... just my $.02
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DuzIt4You said:
What would be interesting would be to mod the software rules to allow a hot swap of batteries if plugged in... just my $.02
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Click to collapse
+1.....that would be a good mod
Im using the HTC Evo extended battery. Li-ion 3.7v 3500 mAh battery. The problem is no matter how i try to calibrate it whether using hipkats methods or other methods it WILL NOT measure the full capacity. It never measures more than 1800 mAh. Right now its at 1589 mAh measured with 4233 mV as my max voltage. What is the max possible voltage for this battery? And is there any way at all to get the phone to measure the full 3500 mAh or even close to it? If so please tell me how.
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You will not be able to charge any Li battery much more than 4.233 volts or 4.3V tops. Not sure about the methods.
Perhaps you need to reset the app or go into recovery and reset the battery stats.
Like "conductive" said. Go into recovery and wipe battery stats like 3 times. I think the battery must be full before doing it. Wait till it drains out and charge it back to full. Then check again.
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Ive done that. That's part of the calibration process. Ive wiped at full charge, let it drain until it shut off from low battery and fully charged without the phone being turned on.
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Nothing fixes it or even makes it register the full capacity of the battery...
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Does anyone know if there is a slim version of an extended battery? I have the onite 4300mah extended battery and it last all day, but I don't like the fact that it's a lot heavier than the phone with the stock battery. I don't need that much power. Just something to get me an hour or two more out of my phone. Something a little higher than the 2100mah. Any thoughts? Also if this post already exist, please delete this one, I apologize if there is one I was unable to locate it.
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Naldonnis said:
Does anyone know if there is a slim version of an extended battery? I have the onite 4300mah extended battery and it last all day, but I don't like the fact that it's a lot heavier than the phone with the stock battery. I don't need that much power. Just something to get me an hour or two more out of my phone. Something a little higher than the 2100mah. Any thoughts? Also if this post already exist, please delete this one, I apologize if there is one I was unable to locate it.
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Hm. im afraid not... You could always underclock your phone or root... but i seriously am blanking out i honestly think there is no "slim" version of the extended battery.
Well I mean instead of me having a 2100 mah is there somethin little higher capacity or does someone know of a website that sells extended battery doors. I have the onite extended battery and I might just stick with that but the back door broke for the phone and I don't know of anyone who sells a pebble blue extended battery cover.
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Naldonnis said:
Well I mean instead of me having a 2100 mah is there somethin little higher capacity or does someone know of a website that sells extended battery doors. I have the onite extended battery and I might just stick with that but the back door broke for the phone and I don't know of anyone who sells a pebble blue extended battery cover.
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You could get one of those samsung flip covers which is basically a battery cover and a screen cover
I'm getting a 2800 mah from china in a few weeks, gold slim I'll let you know the details
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Really appreciate it. Did they mention if it will ad any extra width to the phone? Also do you have a link?
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Anthony04x said:
I'm getting a 2800 mah from china in a few weeks, gold slim I'll let you know the details
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Was just wondering if you know if that battery will add any thickness to the phone. Also could you provide a link to the website? Thank you.
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You can find a bunch on eBay. They even have 3000mah from china. I just bought 2 2800 from USA for like $15 they are the same physical size as stock battery. Just search i747 battery on eBay.
Are they NFC enabled like the stock battery is ?
Remember that on the GS3, NFC is built into the battery itself, not onto the phone.
Of course, if you don't need it...
i recently received my 2300 mAh Onite with NFC from Amazon.
so far, it's providing me with just a few more hours. which is all i needed anyways, and keeping the same battery cover.
i also have a CellularFactory 4500 mAh with NFC that provides me with 2 days of battery that i use when traveling.
http://www.sunsky-online.com/view/2...+SIII+++i9300+++T999+++i535+++L710+++i747.htm
No NFC but I personally don't use it much anyways
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mrhomiec said:
i recently received my 2300 mAh Onite with NFC from Amazon.
so far, it's providing me with just a few more hours. which is all i needed anyways, and keeping the same battery cover.
i also have a CellularFactory 4500 mAh with NFC that provides me with 2 days of battery that i use when traveling.
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With the slim battery, how long is your screen time? I think with stock I can hit about 3 hours before I have to charge the phone.
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So I ordered a 1800mah battery for the epic. It fit and everything but literally while charging it and on browser on just data, the battery life decreases while on the charger. It also almost died at school today. On my 1500mah, I ended a 7 hour day with about 30-40%. On the 1800mah, I got down to 20 and below. If kind of makes me mad that I bought a bigger battery and out sucks. And what is a good 1800mah battery for the epic?
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The battery from the Epic 4G Touch is your best bet. And as for it dying on the charger, it's the charger, not the phone or battery. I know this because it's happened to me. Try a different charger
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jeffreyjicha said:
The battery from the Epic 4G Touch is your best bet. And as for it dying on the charger, it's the charger, not the phone or battery. I know this because it's happened to me. Try a different charger
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Yes I ordered the Samsung epic 4g touch battery. And sadly it isn't my charger because I am using the same charger on my 1500mah battery and its charging fine.
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Not always the charger.... When I'm on 4G and trying to use Google Maps even plugged in I drain my battery. If I shut GMaps down, it starts charging as per normal.
It was really frustrating when I first got the phone, as I was in the process of moving to Denver and knew where nothing was. Now, at least, I know the area well enough to just have it on at the start or end of trip.
The Anker samsung battery (search amazon for it .. ~$10 and 1800mah) has shown good results for me.
toolegit said:
Not always the charger.... When I'm on 4G and trying to use Google Maps even plugged in I drain my battery. If I shut GMaps down, it starts charging as per normal.
It was really frustrating when I first got the phone, as I was in the process of moving to Denver and knew where nothing was. Now, at least, I know the area well enough to just have it on at the start or end of trip.
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But I was doin 3g data and browser like I do on my 1500mah and my stock battery still charged.
alyptic said:
The Anker samsung battery (search amazon for it .. ~$10 and 1800mah) has shown good results for me.
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Click to collapse
And if I do actually have a defective battery, I will try it. And does it actually give you more battery life and if so, how much?
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TaviRawr said:
But I was doin 3g data and browser like I do on my 1500mah and my stock battery still charged.
And if I do actually have a defective battery, I will try it. And does it actually give you more battery life and if so, how much?
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Click to collapse
it is normal for the phone to consume more power than the charging pack can output....... you might not of had this problem because the 1500ma battery uses less energy than a 1800mah battery(hence the extra life..) if you charge with a USB 1A charger it should charge the new battery better. also, turn of 3g and watch your battery charge about 2times faster than with it on.
Andy_nu said:
it is normal for the phone to consume more power than the charging pack can output....... you might not of had this problem because the 1500ma battery uses less energy than a 1800mah battery(hence the extra life..) if you charge with a USB 1A charger it should charge the new battery better. also, turn of 3g and watch your battery charge about 2times faster than with it on.
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Ok the battery consumption makes sense. XD. But then how about mutt phone battery dying a lot faster then the 1500mah battery?
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TaviRawr said:
So I ordered a 1800mah battery for the epic. It fit and everything but literally while charging it and on browser on just data, the battery life decreases while on the charger. It also almost died at school today. On my 1500mah, I ended a 7 hour day with about 30-40%. On the 1800mah, I got down to 20 and below. If kind of makes me mad that I bought a bigger battery and out sucks. And what is a good 1800mah battery for the epic?
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Click to collapse
Anker
And yes it does perform better. I have 2 1800 mAh Anker batteries and there amazing I got a deal for 2x 1800mAh batteries and the charger from Anker. For 20$ on amazon don't listen to reviews they said the charger is bad but mine has performed well for several months and still is. I. Had gotten 4 days before on CM9 with minimal use and on regular basis I get 12 to 18 Hrs with 3 Hrs of screen on time
alyptic said:
The Anker samsung battery (search amazon for it .. ~$10 and 1800mah) has shown good results for me.
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Click to collapse
+1
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XxLostSoulxX said:
Anker
And yes it does perform better. I have 2 1800 mAh Anker batteries and there amazing I got a deal for 2x 1800mAh batteries and the charger from Anker. For 20$ on amazon don't listen to reviews they said the charger is bad but mine has performed well for several months and still is. I. Had gotten 4 days before on CM9 with minimal use and on regular basis I get 12 to 18 Hrs with 3 Hrs of screen on time
+1
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XD thank you for that. If I do return that battery,I will try Anker
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Please read forum rules before posting
Questions go in Q&A
Thread moved
XDA Moderator
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kennyglass123 said:
Please read forum rules before posting
Questions go in Q&A
Thread moved
XDA Moderator
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Sorry about that. Thought it was a general thing
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Can someone recommend a Anker 1800mah battery from Amazon?
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TaviRawr said:
Can someone recommend a Anker 1800mah battery from Amazon?
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idk but generic batteries are a hit and miss. lol ive bought a few generics and only 1 out of 3 was actually 3300maH out of 3500
Andy_nu said:
idk but generic batteries are a hit and miss. lol ive bought a few generics and only 1 out of 3 was actually 3300maH out of 3500
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Jesus XD. That's a lot XD. I just want a 1800mah because i use CM10 nightlies and they drain battery sometimes.
What batteries did you order?
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TaviRawr said:
Can someone recommend a Anker 1800mah battery from Amazon?
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http://www.amazon.com/1800mAh-Batte...&qid=1352296112&sr=8-8&keywords=anker+samsung
This is the one I ordered -- getting about 20 hrs of battery life vs. 12 hrs on my stock (2 year old) battery. Non-OEM batteries are typically a hit or miss, but amazon's return policy is dead simple and free, so IMO worth a shot.
TaviRawr said:
Can someone recommend a Anker 1800mah battery from Amazon?
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http://www.amazon.com/1800mAh-Batte...TF8&qid=1352308515&sr=1-2&keywords=anker+epic
same as other guy different label better performance in my opinion have both and for whatever on my phone YMMV i get better results.
alyptic said:
http://www.amazon.com/1800mAh-Batte...&qid=1352296112&sr=8-8&keywords=anker+samsung
This is the one I ordered -- getting about 20 hrs of battery life vs. 12 hrs on my stock (2 year old) battery. Non-OEM batteries are typically a hit or miss, but amazon's return policy is dead simple and free, so IMO worth a shot.
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thanks. How can you tell if a battery is non-OEM?
XxLostSoulxX said:
http://www.amazon.com/1800mAh-Batte...TF8&qid=1352308515&sr=1-2&keywords=anker+epic
same as other guy different label better performance in my opinion have both and for whatever on my phone YMMV i get better results.
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Click to collapse
Thank you
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TaviRawr said:
thanks. How can you tell if a battery is non-OEM?
Thank you
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No problem, any other battery that isn't by Samsung would generally be non OEM
I just received an i9100 battery that is the same size as original Samsung but it is 1950mah. So far it seems working well(After half an hour doing nothing it is at 99%
Is it really 1950mah? I will test it today till 0% and let you guys know here
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I don't think
I don't think it is possibile. Mayby it's just a kind of Anker battery with a 1950 mAh label on it. But mayby it is true.
KaiXD123 said:
I don't think it is possibile. Mayby it's just a kind of Anker battery with a 1950 mAh label on it. But mayby it is true.
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Please take a look at my newly created thread.
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