How long does your battery last? I wonder if mine is due for service... - iPhone 3G

todesto · 01-31-2008, 06:13 AM

I just had a day trip today and my iPhone battery lasted about 12 hours. I probably was on the phone about 2 hours total and some email checking. Then the battery indicator turned to red and later asked to be charged then shut off....

shouldn't the phoen last at least a day with that usage?

My lifetime call time shows 2 days 10 hours.

Also, is battery life issue covered under warranty?

Thanks in advance.

Youngbinks · 01-31-2008, 07:14 AM

The battery is something that can be replaced under warranty if it is necessary, but the battery life depends greatly upon your settings. How often e-mail auto checks, the brightness of the screen, how much you surf safari, and a variety of other settings so it is difficult to determine how long your battery is REALLY lasting based on the information provided.

Hawk · 01-31-2008, 03:07 PM

Other factors as well include signal strength, temp, etc.
on Average, if you're getting about 2 hours of total usage a day, you should last approximately 3 days.
Of course, it's also not good to run your battery down. It's better to charge it on a regular basis (like every night), but it's ok to test it every now and then.
If you test and find that with regular usage your battery isn't lasting an approximate 6-8 hours, I recommend doing a restore and testing again.
If it's still less than 5 hours, make the appointment with Apple and take it in.

Lees85 · 01-31-2008, 05:39 PM

Best to always keep it charged, if possible. I keep topping mine up at least every two days and I am a moderate/heavy user, but it depends how much demand you put on your battery of course.

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kylegod · 01-31-2008, 05:58 PM

I use my phone constantly. Especially iPod and safari. But I charge while in my car or at home. It never gets lower than half

geordisjd · 01-31-2008, 06:08 PM

Now that I have a new iPhone, I realize how much shorter the battery life of my defunct iPhone had become after 7 months of uninterrupted use, checking mail every 15 minutes, nice bright screen, taking 4,000+ pics...It wasn't a big deal, because I can almost always plug in somewhere, but this new iPhone's battery is a lot better.

thesaint · 02-01-2008, 12:06 AM

I go to around 5 hrs and then it dies. This is because I use iPhone(Internet usage mostly) inside my office where I have only 1-2 bar(s) and this drains the battery like crazy.

ColsTiger · 02-01-2008, 12:50 AM

Mine can last three days with minimal use or two days with normal use.

KeKe · 02-01-2008, 01:02 AM

Mines actually lasts the whole day. I usually use the Internet, iPod and youtube. By the time I get home it dies just in time LOL. So I turn it off and charge it and its ready for anoher day.

AntonChigurh · 02-01-2008, 01:03 AM

Quote:

Originally Posted by geordisjd

Now that I have a new iPhone, I realize how much shorter the battery life of my defunct iPhone had become after 7 months of uninterrupted use, checking mail every 15 minutes, nice bright screen, taking 4,000+ pics...It wasn't a big deal, because I can almost always plug in somewhere, but this new iPhone's battery is a lot better.

How long did your old battery last compared to your new one?

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