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Extended Battery for SGS 4G

I found this extended battery at ebay but it seems way too cheap to be real any thoughts?

Sario27 said:
I found this extended battery at ebay but it seems way too cheap to be real any thoughts?
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I bought this battery few days ago. will let you know if its worth it.
Sent from SGS4G

I bought that battery for my Vibrant, works great, he also sells a case for the extended battery back cover.
Sent from my SGH-T959V using Tapatalk

looks intriguing. y'all post back if its any good.
Wife just bought the t-mobile gel skin case with built in 1500 mah battery. gives the phone some much needed weight.

nrfitchett4 said:
looks intriguing. y'all post back if its any good.
Wife just bought the t-mobile gel skin case with built in 1500 mah battery. gives the phone some much needed weight.
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Which store?
Sent from my SGH-T959V using Tapatalk

eBay Extended Battery
I just charged my battery up overnight -so far its been 1 hour and I've lost 4% battery. Any advise on how to max out battery life?
I can't fit any regular cases on my phone now - and I'm wondering if it was worth the $9.
It's also on eBay for $9 with free shipping so I figured what the heck.
$9 , free shipping - but takes 2 weeks to arrive.

richgn2002 said:
I just charged my battery up overnight -so far its been 1 hour and I've lost 4% battery. Any advise on how to max out battery life?
I can't fit any regular cases on my phone now - and I'm wondering if it was worth the $9.
It's also on eBay for $9 with free shipping so I figured what the heck.
$9 , free shipping - but takes 2 weeks to arrive.
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You need to drain the battery until it goes to 0% and then recharge fully. That is to condition the battery.
Sent from SGS4G

Also, whenever you flash any new ROM its always best to do it with a full battery. The phones actually keep a cache (or data) of the battery. This tells the phone how much power is remaining. If this get's out of "wack" then you will see some crazy draining and in-accurate info. Once we get a working CWM there will most likely be a option to delete battery cache. This helps the reconditioning process become accurate, faster.
As far as the extended battery. I bought one for the vibrant from ebay. It was overseas, and came with battery cover (bigger battery). It works great, and also works for this device. You may have better options looking for extended battery t959 (vibrant)

Battery options: Extended vs. Spare regular battery

Like many thunderbolt owners, I'm slightly annoyed with the battery life.
Is it worth the bulk and cost ($45) to get the extended battery when I can just get a $15 spare battery? The regular battery fits in my wallet. I know a droid X owner who carries a "wallet battery" as a backup.
PS- is there a standalone battery charger for the regular thunderbolt battery?

I went for the extended. Yes, it's bulky but it also makes it through a long day of heavy use without a problem. Plus, that battery door is so hard to remove that I'd rather not mess with it.

The extended battery will certainly do the job, but it adds bulk & weight to a phone that's already no lightweight. And the case selection is pretty limited too. You can get a spare battery + charger for ~$20 on ebay. I can give you a link to a reputable ebay seller if you're interested.
Sent from my ADR6400L using XDA App

Keep in mind that if you're using a spare battery, it means the phone has to power down, and unless you literally run it to the point of shutdown you aren't going to literally be squeezing every bit of power out of it. You'll get more total time with a 2x capacity battery than a spare.

I would say go with the extended. I only charge mine overnight and it makes it through a full day (5am-11pm). I do turn off 4g when I am at work and when not using my phone however.

A while back I got a 3-pack + charger on ebay for about $20. I haven't had any problems with them. I haven't noticed them lasting less than the original. Either way, I have 3...1 stays in the office, one in my backpack, and one at home.
It does suck taking the case & cover off (the case that I had on my Eris came off faster than a prostitute's panties). I usually have it plugged in for my commute so the battery makes it, and I really only swap batteries on weekends, especially when flashing a buncha ROMs.

I went with these. They are a little more power than stock 1700mah and you get 2 batteries plus wall charger for $34.99. They work very well for me and get me 2-3 hours more time than stock with moderate use...
http://www.htcexpress.com/search?or...search_query=thunderbolt&submit_search=Search

I tried the extended batter and I did not particularly like the weight and especially the bulk of it. It just isn't for me. I have home, work and car chargers, so I can keep it charged when I need to.

Do the 1700 mAh batteries fit under the stock cover like the 1600's do?
Sent from my ADR6400L using XDA App

i went with the 2750 mah and love it. battery lasts 14 hrs (no 4g coverage where i live) i got used to the heft rather quickly and love it. now to mod the car dock to fit this thing.

crg31953 said:
Do the 1700 mAh batteries fit under the stock cover like the 1600's do?
Sent from my ADR6400L using XDA App
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Yep!
10 chars

sublimaze said:
The extended battery will certainly do the job, but it adds bulk & weight to a phone that's already no lightweight. And the case selection is pretty limited too. You can get a spare battery + charger for ~$20 on ebay. I can give you a link to a reputable ebay seller if you're interested.
Sent from my ADR6400L using XDA App
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would love a link if you'd be so kind

I have a spare standard battery and an external battery charger. Works great. I charge both up every night and keep one in my pocket. Haven't run out of power yet, and I'm pushing the phone pretty hard. (Live wallpaper, oc to 1.5, gps always on, 3g, sync, lots of texting)

I'm really pleased with the extended battery from Verizon. I just left the phone running to see how long it would go and I've gotten 2 full days out of it. It's been running 34 hours now and I'm at 5% power. I'm running bamf 1.7 and I'm in a 4g area. Although most of my time is spent on wifi.
I find that the phone is easier to hold with the extended battery. And the back is hard to remove so it's easier not having to worry about changing the battery.
I picked up 3 - 1500MAh + charger from ebay for $11.34. Link Here
I got the batteries in less than 2 weeks and I had a friend order from the same place and he got his fast as well. I've found these batteries as good if not better than the stock battery.

I bought that same 3 pack on ebay. I keep a spare one in my wallet. Works fine

I've been debating ever since I got my phone two weeks ago if I was going to give in and get the extended battery or pick up a cheap spare regular battery+wall charger and hope somebody will come out with an extended slim battery.
That link posted for the 3 batteries and charger for less than $12 seems like a good deal. I think I'll end up doing that so I can have a battery to carry on me and I can give one to my girlfriend.

I bought both the extended battery and the 1700mah batteries. I only used the 1700mah batteries like a week and got annoyed by the battery changes and bought the extended. Been happy ever since.

eris72 said:
would love a link if you'd be so kind
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I bought from this seller. He is in New York, if I remember correctly. If you are in the continental US, you will get your items within a week.

I ended up going with the Verizon Extended battery and also got the High Gloss case for it too.. Now its complete in my eyes. I got used to the phone being this size now. Not bad at all considering how long the battery lasts now. It rocks.

I would say that you should first install Juice defender free. You will see that your battery life is greatly extended. You don't need root for this, it's an easy install from the market. After that, if your battery life is not acceptable (mine is), then go buy something

Aftermarket Batteries

has anyone tried any of the aftermarket batteries, whether it be from a store, ebay, amazon, etc.
I ordered a 2200mah battery for my Infuse off ebay for $8.
I am going to try that out and see if I get anymore life out of it.
I would have gotten the 3500mah battery, but I use an otterbox and I dont think it would fit since it has the bigger cover to hold the bigger battery.
I work in a metal forging plant, so I have to use an otterbox for my work... so it is a must have if I want my phone to last.
I did order a 3500mah battery for my wifes Samsung Captivate.. She doesn't really use/need a case. I got that off ebay as well.. for about the same price.
I hope her phone lasts longer, because she can't even get a day out of it... hers is rooted running MIUI.

http://forum.xda-developers.com/showthread.php?p=20001828
Sent from my SAMSUNG-SGH-I997 using Tapatalk

I got two 1900mah ones from "yourneeds4less" on Ebay. Totally as good as stock.
Sent from my SAMSUNG-SGH-I997 using Tapatalk

battery
I just got one of them 3500 batteries from amazon and its a solid battery, it wont fit on the case because i have the Otterbox case and cant use it with this, but you can definitely tell the difference in how long it lasts, and the case fits on the back of the phone great it has tabs and snaps right in. I use this battery when i am at home using wifi or alot of power on my phone and use the Samsung battery when i leave. Great investment for $10 but when you have the case on the phone it won't do you no good.

hollywood528 said:
I hope her phone lasts longer, because she can't even get a day out of it... hers is rooted running MIUI.
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Getting a larger battery will help, but there's a lot of ways you can manage your phone's power consumption to dramatically increase your battery's life.
Take a look here:
http://forum.xda-developers.com/showthread.php?t=1510745
All I've done is use the power management program Juice Defender (on extreme setting, so data is off unless I toggle it on), not use a live wallpaper, and use a Gingerbread ROM (R3VELATION). With light to moderate use I get about a day of life, and if I took further steps I could even get more out of my battery than that.
EDIT: Whoops, you're the same poster as here, so it looks like the new larger capacity battery has solved your battery problems. I'll just leave this post up here anyway since it might help others.

Would the bigger battery cause it to overheat? or damage the phone in anyway?

tehpatrick said:
Would the bigger battery cause it to overheat? or damage the phone in anyway?
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Doubtful.
Sent from my SAMSUNG-SGH-I997 using Tapatalk

Bought the two pack of 1800 batteries from Anker at Amazon. they work drivers. I no longer have my phone plugged in as I can just charge all of the batteries using their awesome wall charger and such one in when a battery dies.
Sent from my SAMSUNG-SGH-I997 using Tapatalk

I also recommend to use dock charger like on ebay, i bought also 2200mAh batterys so i can charge them both and the free one can charge much faster since it's not in take-and-give cycle like when it's in phone usage.

onefabis said:
I also recommend to use dock charger like on ebay, i bought also 2200mAh batterys so i can charge them both and the free one can charge much faster since it's not in take-and-give cycle like when it's in phone usage.
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Came in here to ask the same question about aftermarket batteries...was thinking about buying the OEM one off ATT site for $30 because I don't see an official aftermarket battery and i'm not sure I want to buy a $10 aftermarket off of amazon or ebay because of stories I hear about cheap China made batteries exploding or damaging the phone in some way
I just placed an order for this.....
http://www.amazon.com/Samsung-SGH-i...BMJ8/ref=sr_1_2?ie=UTF8&qid=1332809949&sr=8-2
The description doesn't say so but all the reviews say it comes with an OEM battery along with the charger...great deal for $30 in my opinion if it is all OEM

The thing I've read about these batteries is they don't have a shelf life. Meaning as soon as they are made they start to depreciate. Then they sell the old ones on e bay, amazon at reduced prices as they don't last as long as a freshly hot off the press battery.
I have never had any luck in buying a extra mha rating battery, having it last an extra long time. I got Chinese 2500mah it don't last that long, and then I went and got a high capacity gold 2430mah it only last as long as a 1750mah , rather I have no idea how long normal is, as I got my infuse at a pawn shop used, battery last about 5-6 hours, normal usage, but what is normal? What is the basis of comparison? I mostly use it for movies, and wifi and, angry birds which eat my battery up.
My theory is the more you pay the younger they are, a 4 dollar batter last less then a 10th dollar battery. But I don't have the monies to buy every battery in all the price ranges to test and do all that techy stuff. To me it is just a grip shoot. Hit or miss.
mikied12
sent from my X10a Generic gingerbread rooted, looking into flashing miui or something better, ne ideas pm me, sent using taptalk
can't learn how to fix it, if you don't break it first

All batteries age during use.
Aging factors are temperature and also voltage.
I think temperature is well known but I don't hear as many people talk about voltage.
Charging your phone to 100% and leaving it on the charger encourages aging.
Some of the cheapo's are not as resistant to aging as the stock batteries. Common story is they work fine for the first day or two and then start to noticeably lose capacity. I noticed that when I tried out the Fujei battery.
Adding to the whole mess as you alluded... evaluating battery life quantitatively is not an easy deal. My usage varies every day.
I get a rough feeling when my battery life is fading but it's subtle.
Battery Monitor Widget has a feature where it estimates your actual 100% battery capacity in milli-Amp-hours (1750 = factory spec but actual will be different and will decrease over time as the battery ages). I think that if you use BMW and allow your phone an uninterrupted charge from low voltage like 20% up to 100% (without using the phone during that period), then it will develop a pretty good estimate of your battery 100% milli-amp-hour capacity (because our phone does have a charging current monitor which BMW accesses, but it does not have a battery discharge current monitor). That's a lot of work, but probably not a bad thing to do once a month to keep track of your capacity so you'd see a trend like 1750 one month, 1700 the next month, etc. I might start doing that some day..

3500mAh Battery
It's been a week, and my battery life is going UP. I plugged in today, and at 1931 hrs today, I still had 61% of my battery life left. I have not had any appreciable decline in battery life, nor reduction in longivity. With the stock battery, my phone is completely dead by 1715. I unplug daily at 0800. My battery life has easily doubled by purchasing a no-name battery from an Ebay seller. I'm quite impressed with it, and I spent $80 on an extended battery when I had my TP2.

Has anyone try those 2500 mah batteries from ebay? I am interest in buying those since they are only 4 USD each. What do you guys think?

Mugen Power 1700mAh Extended Battery

Hey there guys,
I'm thinking about buying this slim battery without needing an new cheap ugly cover. http://www.mugen-power-batteries.co...tery-for-lg-optimus-2x-p990-t-mobile-g2x.html
I know 44$ / 36€ (after using a fb coupon) with free shipping is a lot. Especially for only 200mAH more. 1700 vs. 1500 stock battery. (13% increase)
Though so far I only read ans only found good reviews about mugen batteries, and 13% increase seems more realistic than 1900mhA or 2400mha with same size as stock. Those other extended slim batteries - most of them get a lot of bad reviews.
I'm a simple guy who likes to think paying more is better quality. at least in this case. before I wanted to buy this though, I wanted to ask for you opinions.
Any vote against Mugen? anyone bought this before?
Even if I'll buy it. I'd be hard for me to test if this battery really lasts longer. It's over a year old and with customizing and playing I charged it so often. and i think it's kinda broken, getting really hot (even with stock rom and different chargers), dieing much faster (even in standby).
thanks in advance

13% increase isn't worth it in my book. However if you have cash to spend, splurge.
Sent from my LG-P999 using xda premium

Honestly, I'd rather pay 10 bucks for an OEM battery and have 2 batteries (which is what I already do). 13% for 40 bucks is ridiculous.
1 in the phone, one on a charger. Swap out dead battery when you need a fresh new one, instant 12+ hours.

Bulletblitz27 said:
13% increase isn't worth it in my book.
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it's not only the 13% I'm thinking about to pay more it's also about the quality. Mugen seem to have a pretty good standing about keeping capacity high for a long time and lasting for a lot more charges, while other extended slim batteries seem to have lots of reports about fast decreaing capacity after one or two months and not lasting for too many charges.
haven't bought it yet... can't make my mind up about this...

Review
So how did the mugen power battery turn out?

Always get a genuine OEM battery. Aftermarket batteries don't have a temperature sensor and so can quickly overheat and damage your phone.
Most extended batteries don't really have the capacity they claim to have.

[Q] what happen to the battery???

when i bought my sensation a year and half ago i bought 2 extra batteries and i was swapping between them and the original one every now and then. but 3 weeks ago i noticed that the extra batteries dont last at all and it would be 100% yet shuts when making a call and now the original battery is doing the same thing. I flashed a new ROM but the problem is still the same so any suggestions? did i screw the 3 batteries and need to buy new one ???????
if i have to buy a new one then any suggestions on the extended batteries will be much appreciated.
thanks

If your looking for a good extended battery two particular batteries come to mind. Anker and Mugen. I have tried both. I'm currently using Mugen 3800mah.if that's too much juice for you, go with Anker. Anker will give you good extended battery. I went with Mugen because I'm a heavy user and this battery lasts for two days! The only draw back with mugen is it does make your phone thicker and they provide the extra back cover. For me it didn't matter because I was after the incredible battery life. It really is a amazing battery. Another problem with mugen is it's expensive. But for me it was worth the battery life I get out of it. Most people choose Anker because it's 1/3 the cost. It all depends on what you want. Anker was a great extended battery, I just needed a longer lasting battery so I went with Mugen. It's probably best you start with Anker and see how that works for you. Most people are very happy with it. I believe you can get it off Amazon for under 20 dollars. I think you will be very happy with it. If you want more juice try mugen. But I think Anker will work well for you. Hope this helps. Best wishes.
Sent from my HTC Sensation

Considering it started happening with all three batteries, it might be the contacts in the phone. I know mine used to shut off, but I fixed it (I think, haven't had it shut off suddenly for a couple of weeks) by placing a piece of paper on the top (not the side with the contacts) and putting a piece of tape over it. This will keep the battery in place, and push it against the contacts. If this doesn't work, it might be the batteries. If so, I'd follow Realsis's advice and buy an Anker (I have one) or even Mugen, if you can spare the money.