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Do we have any word on whether the GNex will have an Extended battery option? I know the battery and door are removable, but that's a necessary thing for if I'm going to be using this phone.
The holy grail, of course, would be pics of the phone with an extended battery, but that may not happen until well after release.
Im only looking for hopefully an extended oem battery. If not ill prolly just pick up one or two regular batteries depending on how good or bad it is.
I invented cyberspace. You're trespassing.
pukemon said:
Im only looking for hopefully an extended oem battery. If not ill prolly just pick up one or two regular batteries depending on how good or bad it is.
I invented cyberspace. You're trespassing.
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Does this mean your going naked
Extended batteries are going to be an issue with this phone. An NFC issue that is, since the antenna circuit is embedded on the plastic cover. Either Samsung would have to engineer a thicker replacement, or someone like Mugen that makes their extended battery cover doors as close to the original design as possible. Inexpensive third party makes would probably forego the design and manufacturing costs, to produce a cover only, but that would eliminate one of the great new functionalities in ICS.
I am watching closely the developments in this, but for now I am planning to have my chargers within arms reach (car, work, solar)...
Sent from my SAMSUNG-SGH-I997 using xda premium
The only thing better than an extended battery is an actual case that fits it.
http://store.androidcentral.com/sei...ttery-case-fits-2750--3200-mah/4A145A8486.htm
Unless the Galaxy Nexus really takes off (not likely, even with VZW), we probably won't see any advanced type of battery + case combo.
I have to be on the go 20+ hours a day sometimes and I cannot spend all of my time babysitting a phone. As much as I want this thing, without an extended battery and a good case, it just won't fit my needs.
SquareBare said:
The only thing better than an extended battery is an actual case that fits it.
http://store.androidcentral.com/sei...ttery-case-fits-2750--3200-mah/4A145A8486.htm
Unless the Galaxy Nexus really takes off (not likely, even with VZW), we probably won't see any advanced type of battery + case combo.
I have to be on the go 20+ hours a day sometimes and I cannot spend all of my time babysitting a phone. As much as I want this thing, without an extended battery and a good case, it just won't fit my needs.
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Simple, every night charge the phone and a spare battery in an external charger. At 3 PM when the first battery dies, swap in the other. Unless you don't put the phone down all day, 2 batteries should be enough. If you need a little extra, turn off the lte radio when you can get by on 3g.
Sent from my ADR6400L using Tapatalk
teamgreen02 said:
Simple, every night charge the phone and a spare battery in an external charger. At 3 PM when the first battery dies, swap in the other. Unless you don't put the phone down all day, 2 batteries should be enough. If you need a little extra, turn off the lte radio when you can get by on 3g.
Sent from my ADR6400L using Tapatalk
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way too much work, I usually go with extended batteries so I don't have to worry about it. The added 1/4 or 1/6th of an inch doesn't bother me, but having to replace batteries, waiting for the phone to reboot is just annoying.
Still no word on the extended battery front for the GNex?
Battery and Case Issues
Be very careful if you choose to pre-order a case to have on hand when your Verizon GNex arrives. I've read that the stock back cover of the Verizon phone is slightly different from the GSM phones to accomodate the larger 1850 mAH battery. A few case vendors are noting their cases as not being compatible with the LTE version of the phone, but many are not. Of course, if you're ordering a pouch or other case which doesn't require a precise fit, you're probably fine. But, with any sort of hard case, BUYER BEWARE unless it is specifically noted as being for the Verizon LTE version of the phone.
Samsung made an extended battery + a new cover for the SGSII so they'll probably do the same for the Nexus. I hope they do so because we would have a flat back. I dont like this little bump where the camera or the speaker is.
Sent from my HTC Desire using XDA App
Hey guys, just a quick heads up. I just got my Galaxy Nexus and it boots up very quickly so having two batteries and swapping them during the day wont be too painful. The back cover is a bit of a fiddle to put back on though, feels like it might break after a while as its very thin. Hope that helps!
Everyone has their needs but for my Nexus one I bought a second battery and hardly ever used it, most phones now a days charge USB, and Micro USB at that, almost everyone I know has a micro USB charger, I have several, including one at home one in the car one at work, friends co-workers have them etc, I have mixed them or used Nokia Blackberry Motorola HTC Samsung home and car changers, Bluetooth headset chargers etc all USB micro they all work on any device for me there is no need for an extended battery and if the original one dies within a year I will either have a new phone of just buy a replacement battery.
my two cents
here u go ppl. extended 2000mah battery for the galaxy nexus
http://phandroid.com/2011/11/29/gal...ah-extended-battery-and-cover-in-south-korea/
Great news. I will be buying that as soon as its out in the UK or if it takes too long to get announced I will just import it.
Nice, might get one of them when they are in the UK. How much bigger and heavier do you think it will make it?
xavierdylan said:
here u go ppl. extended 2000mah battery for the galaxy nexus
http://phandroid.com/2011/11/29/gal...ah-extended-battery-and-cover-in-south-korea/
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The phone should have come with that battery as the default option. With less than 15% more battery capacity I would say it is not really worth buying.
Whoa I need it!
I'll get it imported as soon as it's available anywhere in the world. (Well, no options here in Thailand anyway FML)
Any word on where and when this 2000 mAh battery will be available for purchase?
tk123456789 said:
Any word on where and when this 2000 mAh battery will be available for purchase?
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Maybe someone who speaks Korean can check some of the Korean online stores. Who knows, maybe we should be importing our phones directly from Korea instead of the UK.
I need the 2000 mAh Battery NOW!!! LOL
(Personal opinion here, of course.)
I don't care about battery life. The battery on the Galaxy Nexus is removable. When my phone is dead, I swap out my battery for another one. Two batteries gets me through ANY day, regardless of usage patterns. Batteries are small and fit in men's and women's pockets easily. They fit in glove boxes, desk drawers, etc. They're portable, lightweight, compact, etc. You can take them almost anywhere.
I purchased the Samsung battery charger kit and haven't looked back. Instead of charging my phone and feeling tethered to my charger all day, I use my phone however I want and swap batteries in/out as I need to, and I only charge my phone overnight while sleeping now. The rest of the time, I only charge my batteries through the charging kit.
All these threads on battery calibration, battery life, etc. just seem unwarranted to me. I'm used to toting a charger around with me, so now I just bring my battery kit (usually it sits in my car, not needed) and if my battery dies, I swap in a fresh one and charge the spare with the kit. This way, I can have my phone on me all the time without worry. If I have no nearby electric outlet I can still take along the extra battery and charge both batteries later. I actually have 3 batteries, if I need them (I can't imagine ever using all 3 in a day).
I don't even use the extended battery. Why fatten up my phone, even if only by a little, if I don't need to do so?
This is food for thought, that's all. Does anyone else just use spare batteries and no longer worry (or even obsess, as I used to do with my Thunderbolt) over squeezing out every drop of battery life? To me, life is easier and better this way.
There's a name for the feeling of not being tethered to your charger all day. I call it freedom. It's awesome.
Sent from my Galaxy Nexus using Tapatalk
I see where you are coming from.. What do you think of the battery cover? Is it difficult to work with when swapping batteries and will it last with such frequent use? How do you make sure that your spare battery is always ready (I guess you must be in the habit of always putting it on a charger)?
The battery cover is easy to remove. I ordered two spares when I ordered my battery kit (door covers are only $3 each) in case they wear out over time, which I doubt will happen. Many days I don't even swap batteries, as my phone typically lasts 10-12 hours on the regular battery anyway. I do charge my phone in the car (why not? my phone would just sit there otherwise) which is ~30-45 minutes a day, enough for an extra 20% charge mid-day which helps my battery hit the 10+ hour mark. And if it doesn't, I just swap for a new battery.
The spare is always ready because I always keep it in the charger kit so I can grab it when I'm in need. The kit has a light which turns green when the spare battery is charged to 100%. The light is red otherwise. It's quite handy.
At night I plug in both my phone and the charger kit using the Y cable charger that comes with the kit (allows 2 devices to charge simultaneously on one charger). In the morning, I have my phone and spare, both ready to go.
May I also say, I've impressed a few of my iPhone-using friends with my spare charger kit. They always say "I wish I could do that, but I don't have a removable battery." I lol every time (silently to myself...)
Sent from my Galaxy Nexus using Tapatalk
I completely agree. That and who is really not near a charger ever all day? Maybe a few but hey that's what changeable batteries is for.
I see nothing wrong with improving what we have with calibration and optimization though...
Lol sounds like you are super jaded from using a thunderbolt.
IMHO your logic is flawed. Why not get good battery life on one or two batteries rather than mediocre battery life on two batteries.
You shouldn't have to carry around two batts just to get usability out of our device. Two batteries is for when you demand extra from your device.
Like when I went to New York I carried two batteries for my BB9700. Not because it was a battery hog but because I was GPSing and texting all day and didn't want to be stranded with a dead battery. I ended up using both batteries several times skipping charging both of them one night.
Sent from my Galaxy Nexus using XDA App
edit: I get great battery life on this phone btw. I love it and am very happy with its performance.
I do the same thing. Have the extra battery with wall charger and just throw the spare in my pocket if I go anywhere. Like the OP stated I would much rather swap out the battery (if/when needed) and be able to use my phone like I want than worry about trying to conserve it all day.
I haven't had any problems with the battery cover and even if it did I can buy a new one from VZW for $3.25 with my discount ($4.99 retail) so it is a nonissue.
I honestly don't know why so few people do this. And I very rarely even end up using the spare battery, I just like knowing I have it if needed.
Sent from my Galaxy Nexus using Tapatalk
Lithoss said:
I completely agree. That and who is really not near a charger ever all day? Maybe a few but hey that's what changeable batteries is for.
I see nothing wrong with improving what we have with calibration and optimization though...
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Agreed. I read that stuff to be informed, but no longer out of a crazy desire to extend my battery life because I can't live without doing otherwise. It's a nice change.
Again, I'm not saying anyone else has to or should do this. But it makes so much sense to me, and I like to share what works for me to help others who are looking for other options regarding battery life.
Sent from my Galaxy Nexus using Tapatalk
sishgupta said:
Lol sounds like you are super jaded from using a thunderbolt.
IMHO your logic is flawed. Why not get good battery life on one or two batteries rather than mediocre battery life on two batteries.
You shouldn't have to carry around two batts just to get usability out of our device. Two batteries is for when you demand extra from your device.
Like when I went to New York I carried two batteries for my BB9700. Not because it was a battery hog but because I was GPSing and texting all day and didn't want to be stranded with a dead battery. I ended up using both batteries several times skipping charging both of them one night.
Sent from my Galaxy Nexus using XDA App
edit: I get great battery life on this phone btw. I love it and am very happy with its performance.
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I'm a realistic type of guy. What I want from my phone and what I get from my phone are two different things. To believe they are the same is literally delusional, by definition. To complain about X Y or Z company not providing me with what I want is also a bit irrational if I know that, given today's technology's limitations, what I want might be asking a bit too much. We must work with what we have. I have spare batteries. I use them, liberally if I need to, and I don't mind doing so.
I don't expect a 4G phone to last all day while I play WWF, browse the web, text constantly, check and compose emails, take photos, transfer data, and make phone calls. To get 3-4 hours of screen on time on one battery is great (to me).
I think carrying an extra battery is being more responsible on my end for my own admitted usage of the phone, rather than complaining that the battery life "sucks" or hacking my phone to get an extra 20% battery life (although I'm not against this at all - it's just more work overall). Instead of blaming Verizon, Google, and/or Samsung, I'm taking ownership of the fact that I use my phone quite a lot, and I'm fine with carrying an extra battery or two. Instead of blaming others for the battery life of my own phone, I take responsibility for it and I provide my own solution. If anything, I'm speaking of personal responsibility. And in said responsibility I've found freedom from the dreaded phone charger. Again, it's a nice freedom to have.
Sent from my Galaxy Nexus using Tapatalk
I agree completely with the OP. A second OEM battery and quality wall dock charger are my second accessory purchase with any of my smart phones. The first being a good case.
Having a 2nd or 3rd (or 4th!) battery and/or a charger around shouldn't be a requirement for using your device throughout the day. Sure if you use your phone hard then you're going to be used to having a charger nearby, but it shouldn't be a req if you're a normal user.
I don't think its unreasonable to expect a normal (12 hours) days use out of a device. FWIW most people are getting that (especially GSM users), and I don't think the battery issues are as widespread as people seem to think. There are "omg batterylife" threads in every new device forum.
martonikaj said:
I don't think its unreasonable to expect a normal (12 hours) days use out of a device. FWIW most people are getting that (especially GSM users)
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For sure, I'm happy with this phones battery life (WAY better than the EVO 3D) but I like having the extra charged battery on hand for when I'm traveling.
Lithoss said:
I completely agree. That and who is really not near a charger ever all day? Maybe a few but hey that's what changeable batteries is for.
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I often go a full day without seeing a charger. Sure I could carry one around and hunt for outlets throughout the day, but I don't think that should be a concern. Just want the phone to be reliable.
For what it's worth, I bought an external charger a couple phones back. Just plug in via USB to the phone if it's running low. Really useful when I'm on the train, for example, and I tether wifi for my Xoom. Gets me through the day in a pinch and I don't have to buy a new one with every phone (though I might buy a larger one now given the Galaxy Nexus' bigger battery).
Also, I usually plug the phone in while at my desk and always charge overnight. But I use the hell out of my phone
Sent from my Galaxy Nexus using xda premium
I have to agree with Martonikaj I'm afraid. Its a phone, just because you CAN swap out the batteries doesn't mean you should HAVE to to get reasonable usage life.
Sent from my Galaxy Nexus using Tapatalk
I disagree with the OP for having 2nd, 3rd batteries in order to use it properly based on user usage pattern.
First, define your usage pattern then try to optimize the battery to support that.
My usage pattern requires to have at least 3 and a half our screen time, and charge the phone once every two days, before I went to sleep (or during the night).
And this phone battery can do that without any problem ...
So, I don't need second battery ... and I am ordering the 2000mAH extended battery for GSM model. Having extra 250mAH is nice, it's a bonus for additional 30 minutes screen time! ... while still having the same look and thin device profile
Hey guys can someone recommend a good place to buy a second battery and charger if needed? Is it worth getting the extended battery and do I need to buy a different back cover if I purchase one? I am in Australia so was thinking eBay might be my best bet? Cheers
I do the same as the OP. I have three batteries that I rotate through. The OEM Samsung battery that came with the phone and two 1900mah batteries that I bought from eBay (which aren't too bad by the way) . I don't ever have to plug in my phone anymore because most of the time I have two fully charged batteries ready to go. I get on average between 12-15 hours on a single charge as it is with pretty good use, so I'm not worried about my phone dying, its just more convenient.
Sent from my Galaxy Nexus using XDA App
Joshaldo said:
Hey guys can someone recommend a good place to buy a second battery and charger if needed? Is it worth getting the extended battery and do I need to buy a different back cover if I purchase one? I am in Australia so was thinking eBay might be my best bet? Cheers
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What about if there is going to be an official larger battery for it?
Just bought two off of eBay for $11, bargain. Hopefully they will do the job. Can keep one in the car and one at work, I should never run out of battery
Super Chimp said:
What about if there is going to be an official larger battery for it?
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I am pretty sure i saw an official Samsung extended battery 3000mah with battery door cover on eBay for the GSM version . I think it was around $35-$40.
Sent from my Galaxy Nexus using XDA App
Hello everyone. I recently got my hands on another battery for the S3. I also now have a charger that can charge the battery directly without having to have it plugged into the phone. So I thought to myself, it'd probably be really great to have the battery with me and swap it when needed. That way I'd essentially be able to double the life. I use my phone a lot and many times I can't find myself near power so batteries are a must.
I currently have the phone in an Otterbox Commuter. I like the protection it offers but it makes swapping batteries a pain. Does anyone have any suggestions? Are there any accessories or alternatives to a case (or a battery cover) that makes it easily removable. I'm afraid of wearing down the sides to the point that the cover won't fit.
I figure since the device has a removable battery I may as well take advantage of it.
Or, what would be even more great is the use the battery as an external battery pack. Instead of buying those external batteries that plug into the micro USB, is there a way to use the second battery instead?
There is not much you can do.
Get another case that is easier to take off but will give less protection than your otterbox or go caseless, even easier but no protection at all.
With the backcover covering all of the backside even a bumper will have to be taken off to switch batteries.
Using your spare battery as a external energy source is possible in theory, it's a li-ion power source after all but you would need to connect it to a micro usb cable somehow. Some sort of case, maybe a charger specially made for this battery type.
With the spare battery having the same capacity as the one in the phone you'll only be able to partly charge the battery in the phone, if you want to use it to recharge. It'll have to stay connected to use all the power it holds.
It would be easier to buy a ready to go external solution with a higher capacity.
Go for a different case. I have the commuter as well and like the protection but maybe the uag case is easier to take off?
Sent from my SGH-I747 using xda app-developers app
First I would say , decide what you want out of a battery.
Example:
Want 12-14 hrs light use, or 12-14 hrs heavy use. If heavy larger battery will do or a wireless charger to use during day. Need more time or use extended battery 4200-4300 mah good for all day and heavy use. Need over that 6300 mah is about biggest right now.
I use A-case with regular battery, if needed put q-cell extended battery/ tpu case. Have new 6300 mah extended battery on way now for long weekends away from charger. Also have 5000 mah external battery pac that I keep in bag for emergency use.
Hope you find what you want. Good luck.
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Imo since u already have the spare battery and the battery charging station, just get a tpu case or the uag is easy too once you find the sweet spot to take it off. I have no issue taking mine off. Unless u need all the protection of the commuter then well ur stuck. The easiest removable drop protection case would be the ballistic sg
Sent from my Galaxy S3 using neighbors wifi
Not sure which to pick up for my One. Even with power saving and minimal "optional" usage (only doing GPS navigation I actually need, checking sites I need to, etc), I can barely get through a day. Maybe I was just spoiled by my previous Note 2.
Anyway, the Mophie case seems like my optimal option, and I honestly don't mind the added bulk or weight, but at $100, it's a little expensive obviously. And waiting for a price drop isn't really an option, since I'll probably be picking up the Note 3 later this year, or at the very least some other phone. I don't have any other devices (like a tablet) so having it be specific to the One isn't exactly a bad thing.
An external battery pack would be a lot cheaper per mAh, but not as convenient - unlike the Mophie, I'd have to remember to bring it with, possibly even bringing a bag if I wouldn't otherwise (I like to travel light and keep my pockets limited to keys, wallet, and phone). I'd probably be looking at the Anker Astro3E 10000mAh for $40 or Anker SlimTalk 3200mAh for $24.
To be honest, most of the time I'll need extra battery life, I'll probably know in advance and come prepared (and therefore be able to pack the external battery), but sometimes I'll run into a situation where I'll forget to charge the phone at work after extensive use, and get last minute plans for stuff out of the house and away from a charger, where I likely won't have a bag with me.
Thoughts? Maybe opinions on Mophie users, especially ones who also have external battery packs?
magus57 said:
Not sure which to pick up for my One. Even with power saving and minimal "optional" usage (only doing GPS navigation I actually need, checking sites I need to, etc), I can barely get through a day. Maybe I was just spoiled by my previous Note 2.
Anyway, the Mophie case seems like my optimal option, and I honestly don't mind the added bulk or weight, but at $100, it's a little expensive obviously. And waiting for a price drop isn't really an option, since I'll probably be picking up the Note 3 later this year, or at the very least some other phone. I don't have any other devices (like a tablet) so having it be specific to the One isn't exactly a bad thing.
An external battery pack would be a lot cheaper per mAh, but not as convenient - unlike the Mophie, I'd have to remember to bring it with, possibly even bringing a bag if I wouldn't otherwise (I like to travel light and keep my pockets limited to keys, wallet, and phone). I'd probably be looking at the Anker Astro3E 10000mAh for $40 or Anker SlimTalk 3200mAh for $24.
To be honest, most of the time I'll need extra battery life, I'll probably know in advance and come prepared (and therefore be able to pack the external battery), but sometimes I'll run into a situation where I'll forget to charge the phone at work after extensive use, and get last minute plans for stuff out of the house and away from a charger, where I likely won't have a bag with me.
Thoughts? Maybe opinions on Mophie users, especially ones who also have external battery packs?
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I'm in the same boat! But yeah I've ordered the Anker Astro Slim2 and the Motorola P4000, both are the same size of a phone and have a built in cable.
I have the Astro 3E 10,000 mah and I love it to death. It's seriously a life saver
Look this up on Amazon. Same thing but cheaper.
i-Blason PowerGlider For 2013 HTC One (M7) Smart Phone Rechargeable External Battery Glider Full Protection Case - AT&T, Sprint, Verizon, T-mobile (Black)
jbuggydroid said:
Look this up on Amazon. Same thing but cheaper.
i-Blason PowerGlider For 2013 HTC One (M7) Smart Phone Rechargeable External Battery Glider Full Protection Case - AT&T, Sprint, Verizon, T-mobile (Black)
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I looked into it, but if you look at the reviews for the iPhone 5 version, there's a lot of people complaining about it arriving defective or not holding a charge well.
magus57 said:
I looked into it, but if you look at the reviews for the iPhone 5 version, there's a lot of people complaining about it arriving defective or not holding a charge well.
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There are others available, 2 brands looks nice.. Anyone try them?
Thanks,
http://www.amazon.com/AceAbove-2600...83693&sr=8-8&keywords=Htc+one+m7+battery+case
http://www.amazon.com/Chromo-Batter...83693&sr=8-5&keywords=Htc+one+m7+battery+case
Always go for the universal battery chargers (the good ones of course) if you change phones like me (every 6 months or so) your resale value isn't as good with phone battery packs
Sent from my HTC One using Tapatalk 4
I love my mophie juice pack. It serves as both my case and extra juice. I don't mind the extra bulk or weight. I don't ever use my phone without it.
Sent from my HTCONE using xda app-developers app
Get the battery and leave the case alone. It will serve you much better with faster charges and some will charge you phone up to 4 times. The iblason is trash and mophie is trash as well.
Hi all,
I've been looking around for a new phone for about a month now, with one main goal: to get a better battery life than my Samsung Galaxy Nexus (maguro) provides. I would really love to find a phone that I would not have to charge every day, like in the good old days of my Nokia 3210! The screen could be a bit bigger, but thats a secundary goal....
I am finding it very, very hard to make a choice. Of course there are phones out there that can give me more power (and bigger), like the Lenovo K920, the Huawei Ascend Mate7 or the Sony Xperia Z3, but they also cost around 400 euro's. I understand these prices, because these phones also give you a bigger screen, with more pixels, a better camera, more RAM and ROM and a faster processor etc. But actually, at the moment, I don't really need all of that. I am content with the size of my gnex, I use it to browse, whatsapp and occasionally to stream something to my tv. I don't play big games or use a lot of social media. And thanks to FML, I can almost get a stock version of Lollipop on my gnex, which is nice.
Can't I just buy a bigger battery and be done with it for a while, make it last another 6 months? I still have the stock 1750 mAh battery in my gnex it came with, there must be something better available?
I have 3 questions:
1) what is the best battery replacement at the moment that fits inside the original gnex backdoor?
2) what are my options if I am willing to settle for a backdoor that is a bit bigger?
3) are there any smartphones out there that focus solely on battery life? I haven't found them, but there surely must be a market for a smartphone that has a great battery life, and a decent (average) camera, screenquality, processor etc?
To solve my gnex battery issues I simply bought 2 replaceable batteries and a battery charger. At the time this cost me about $12 off ebay. This works best for me as then I never have to actually charge my phone with a micro usb charger (arguably the micro usb port is the weakest and most likely part of a gnex to break) and can just charge the batteries separately; leaving my phone mobile and not stuck to a wall for hours at a time. When I go out I put a spare charged battery in my wallet to swap it out when my battery runs low. It's also great when travelling as places to charge a phone are more limited but having a separate charger means you can use a sneaky power port without leaving your phone.
I haven't looked into getting a larger or 'better' battery personally, however one of my friends bought one that required a fatter backing case (at the time the biggest battery for gnex) and he said that could last him the whole day but meant he couldn't use any of the gnexus cases.
Quick note about gnexus batteries: The NFC chip for a galaxy nexus is built into the battery (don't ask me why), if your buying a cheap battery it will most likely not have NFC unless it's an official samsung gnexus battery from samsung. Not sure how much this effects you, I personally don't use NFC let alone find it important enough to warrant an extra $30 per battery.
IanCoves said:
To solve my gnex battery issues I simply bought 2 replaceable batteries and a battery charger. At the time this cost me about $12 off ebay. This works best for me as then I never have to actually charge my phone with a micro usb charger (arguably the micro usb port is the weakest and most likely part of a gnex to break) and can just charge the batteries separately; leaving my phone mobile and not stuck to a wall for hours at a time. When I go out I put a spare charged battery in my wallet to swap it out when my battery runs low. It's also great when travelling as places to charge a phone are more limited but having a separate charger means you can use a sneaky power port without leaving your phone.
I haven't looked into getting a larger or 'better' battery personally, however one of my friends bought one that required a fatter backing case (at the time the biggest battery for gnex) and he said that could last him the whole day but meant he couldn't use any of the gnexus cases.
Quick note about gnexus batteries: The NFC chip for a galaxy nexus is built into the battery (don't ask me why), if your buying a cheap battery it will most likely not have NFC unless it's an official samsung gnexus battery from samsung. Not sure how much this effects you, I personally don't use NFC let alone find it important enough to warrant an extra $30 per battery.
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thank you for your extensive reaction, but alas: I've retired my great gnex. My micro USB port did cave in, and I could only charge putting the phone in an upright position. I could have used it fine, but I got the chance to get a Huawei Ascend Mate 7 cheap, and it is holding it's own so far: 3 days and 3 hours on one charge and still I have 13% left!