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M$1 January 13, 2009 06:27 AM

How long should an iPhone battery last on average?

Feels like my iPhone lasts only 90 minutes in real world conditions.

Sent from my iPhone, but I'd rather be using my blackberry frankly.
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tko tko
 
January 13, 2009 07:50 AM
I think the obvious answer is "longer than it currently does!" :D

In the longer term these phones really need to get to a point where they last the whole day no matter what you're doing with them. (Video playing being the exception maybe, as it's a big drain, relatively. ..but one day maybe even that.)

Realistically speaking, I think Apple should have made it a teeny bit thicker to accommodate a bigger battery. IMHO is it quite a slim (and sexy) thing. Actually, maybe *that* should have been the option? Make them all 16GB, but have a 'fat boy' model for the power user?

I mean, it's actually an okay phone for my use ..but many parts of the day I'm not using it. For me it's really an iPod, with occasion calls, and maybe a game or two during the day. ..if I start doing a bit of wi-fi and gaming later on though, that battery can certainly drop.

The things I have found have helped me (tho I suspect you probably know most of them): Turn the brightness down. (I think it's still a great screen at 1/3 bright) Don't need the 3G? Turn it off! (Used to be a *big* saver ..not so much now.) Same for wireless. (I wish the wireless on/off was at the root of settings.) Avoid using GPS when you don't have to. Maybe turn off push e-mail, or put the mail checking at a low interval (or off? I like checking it when *I* want to.) :) ..maybe see what of these options you can live with.

The other things could be to keep dock connectors with your PC's and to keep a Mophie Juice-Pack and Richard Solo battery or two around. I think they'd have reasonably complementary uses for a guy like you. The juice-pack lets you keep using the phone while you top-up, while the Solo is real easy to keep in the pocket and plug in whenever there's a moment where you can put the phone down (or in your pocket) for a bit.

Oh, and the other other thing would be to keep an iPod Touch/Gameboy/GP2x around if you're addicted to the games or want to do something on Wi-Fi ..wear down *that* battery instead. :) The iPod Touch is such a tiny thing ..nice extra gadget to have on hand.

I expect a few dock-chargers, Mophie's and/or Richard Solos should make a difference for you. Maybe a spare Juice-Pack in the office and car, and a Solo in your pocket. ..Good luck on the quest for longer battery.
Source(s):
http://www.richardsolo.com/ (home of the famous Solo battery.)
http://www.mophine.com/ (home of the undeniably cool (and green) juice pack.



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January 13, 2009 06:42 AM
This highly depends on usage. If you're heavily using 3G or wifi, you should expect about the same battery life as a laptop running at maximum drain, two hours, tops.
Source(s):
http://www.wikihow.com/Make-Your-Cell-Phone-Battery-Last-Longer


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January 13, 2009 07:01 AM
It also depends on what apps you have installed. My day+ battery life went down to 8 hours as soon as I started sync'ing with my Exchange server.

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January 13, 2009 07:39 AM
Depends on usage but about a day to a day and a half. Sometimes 2 days

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January 13, 2009 10:47 AM
It should last through one working day at least.

When I switched from a jailbroken iPhone 2G to 3G, I was shocked about its ridiculous battery life and was thinking about switching back. Having 2 SIM cards for the same phone number (but only one at a time can be used), I put one in a SonyEricsson phone which I always carried as a backup and for taking decent pictures. Although in my normal days, I have many opportunities to recharge my iPhone (car, office, etc.), I still managed to run out of power several times. That was just pathetic.

Should I... switch off 3G? don't use the GPS? not use Push-e-Mail and MobileMe Sync over the air? not use Google Maps? dim the display? not use it as an iPod? - NO!! I refuse to switch off all the nice capabilities that made me like this gadget in the first place! This would be even more pathetic.

I can't really tell what has changed, but I don't run into those problems anymore. It's the same iPhone, my behavior is similar, but the battery lasts longer now. There's nothing magic about it, I just can't pinpoint what made the difference.

In my experience, bad 3G and frequent 2G/3G hand-overs are the big power suckers. If you're in a place with bad 3G coverage and strong EDGE, the phone switches back and forth. You can literally watch the battery go down without using the phone. There are some things happening below the surface that we normal users don't get. The way the phone interacts with the 3G network is something that can be vastly influenced by the software/firmware of the phone and it has a big impact on battery life.

I remember in 2003/2004, my first 3G phones had similar issues. A ridiculously short battery life unless 3G was turned off. But then, all of a sudden, things changed and battery life with 3G enabled was almost as good with 2G. Apparently, my network provider changed something on their side, in their 3G configuration. And it had an effect on all users. As soon as I crossed the border and was using a different 3G provider, battery life sucked big time again.

This just shows me that battery consumption is very dependent on your 3G network. As I said, at a certain point during the past months, my iPhone suddenly had "normal" battery life as you would expect it. But I really can't tell if it was a change by the network operator (they are monitoring the use and efficiency of the new bestselling phone in their network), or if it was a baseband or software update I did on the phone itself.

Now, my phone lasts during one normal working day with many calls, e-mails, some surfing and some listening to podcasts and live radio. I'm charging it on my way to work and home (car) and at night.

I hope your network operator will improve their 3G network because I believe this is what makes the battery last longer.

Until then and regardless of that, I can wholeheartedly recommend the Mophie Juice Pack. It makes the phone bigger and holding it feels somehow like holding a Blackberry Bold. I don't need it in my normal days, but for days when you can't charge the iPhone or expect using it a lot, it's very practical.
Source(s):
personal experience as an early-adapting heavy phone user
Mophie Juice Pack: http://www.mophie.com/products/juice-pack-iphone-3g


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January 13, 2009 09:31 PM
Mine lasts just short of 2 days, so I tend to charge it every night just to be on the safe side.

I have GPS turned on, but don't use many GPS apps.

I have WiFi turned off as I find 3G perfectly acceptable.

I maybe make/take about 2 hours of calls a day and have email synching to Mobile Me, my Exchange server and my GMail account. I probably listen to about an hours of music/podcasts everyday also whilst commuting. I regularly check my twitter updates also.

I have left the brightness at the default setting.

Before 2.2, I didn't get anywhere near this level of battery life, but I must say that getting nearly 2 days use out of the iPhone is excellent IMO - much better than my previous 'phone.

Have you considered taking your 'phone and getting a replacement if your battery life is so small? If it's lasting less than a day I think there must be something up with it.
Source(s):
Personal usage


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January 16, 2009 06:27 AM
As everybody has pointed out already, what actually reduces the life of the battery is actually 3G and GPS.

Here are some additional tips that may increase the battle life--

1.always upgrade to the latest software (iTunes)

2.Minimize use of location services

3.Fetch new data less frequently

4.Turn off push mail

5.Auto-check fewer email accounts

6.Minimize use of third-party applications

7.Turn off Wi-Fi

8.Turn off Bluetooth

9.Use Airplane Mode in low- or no-coverage areas

10.Adjust brightness

11.Turn off EQ

12Turn off 3G

to read about each point in detail click the following link--

http://www.apple.com/batteries/iphone.html

If however you have no option but to keep 3G and GPS on, then you should go for The Mophie Juice-Pack .

The Juice Pack is a rechargeable lithium polymer battery in the form of a non-slip, soft grip case. It extends the time that you can use your iPhone 1st Gen in these ways (additional hours):
Standby Time – Up to 250 hours
Audio Playback – Up to 24 hours
Talk Time – Up to 8 hours
Video Playback – Up to 7 hours
Internet Use – Up to 6 hours

Link --http://www.mophie.com/

http://www.mydigitallife.info/wp-content/uploads/2008/08/mophie-juice-pack-3g.jpg

http://i42.tinypic.com/x3vbd1.gif

Finally , remember the iPhone is a mini laptop and not like other multimedia phones, so the battery life should be more like a laptop than a phone.

Some articles you may like to read-----

1. Apple provides tips for long iPhone battery life--

http://arstechnica.com/journals/apple.ars/2007/07/23/apple-provides-tips-for-long-iphone-battery-life

2. iPhone Battery Life???---

http://forums.whirlpool.net.au/forum-replies-archive.cfm/1011343.html

3. 3G iPhone's Battery Life Beats AT&T; Rivals--But EvDO BlackBerrys Run Longer

http://www.pcworld.com/zoom?id=148348&page;=1&zoomIdx;=1

Link -- http://www.pcworld.com/article/148348/3g_iphones_mediocre_battery_life_still_beats_rivals.html

4. How To Make Your iPhone Battery Last Longer---

The Apple iPhone uses a standard, rechargeable lithium-ion battery. It is critical that you take care of the battery in the best way possible because the battery isn't removable. Since an expert would have to replace the battery for you, it will likely cost at least $100+ to have it replaced.

If you take care of the battery of the iPhone, you will really be able to extend its life. The type of battery that's in the model can easily be used for a few years with the proper care and precautions. This doesn't mean that the battery will last forever, it just means that it will last for a lot longer.

You must avoid heat like the plague if you want this type of battery to last. Heat destroys the ability of lithium-ion batteries to store energy due to intense ionization. Make sure that your phone isn't left out in the sun. A few hours in direct sunlight will cause the battery to get excessively hot. Even one afternoon in the sun could severely damage the life of your iPhone's battery. Leaving the iPhone in your car will get the phone even hotter.

You must also make sure to never charge the iPhone with an after market charger. Not only will this void your iPhone's warranty, it will also likely damage your battery. Lithium-ion batteries are designed to be charged at an exact charge rate and voltage. Many after market chargers won't have the voltage quite right which can result in long-term degradation of your battery.

Don't charge your iPhone in your vehicle. Vehicle chargers are made to charge the battery more quickly, and this isn't good for your battery. Even the Apple brand vehicle charger isn't as good for your battery as a wall charger would be. If you get into a pinch, it probably won't kill you to charge the iPhone once or twice on the way to work. Make it a habit, and you'll wish you hadn't.

An off-brand vehicle charger is a certain recipe for disaster. Not only will the voltage be off, it will charge the battery at the wrong charge rate. This is by far the easiest way to render your battery worthless in a short period of time. If that's your goal, make sure to buy an off-brand vehicle charger right away!

If you do need to have your iPhone battery replaced, make sure to contact Apple to find an authorized repair station. If anyone that isn't authorized opens up your iPhone, your warranty will be voided. An authorized repairman can replace your battery in about 20 minutes and you will be able to have the model under continued warranty.

Link--

http://www.streetdirectory.com/travel_guide/157486/iphone/how_to_make_your_iphone_battery_last_longer.html

5. Apple itself has provided some tips on how to increase the battery life--

" Paying attention to just a few commonsense pointers will pay off with a longer battery lifespan and battery life for your iPhone. The most important thing is to keep your iPhone out of the sun or a hot car (including the glove box). Heat will degrade your battery’s performance the most."

continue reading...... (http://www.apple.com/batteries/iphone.html)

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