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Battery Life on different Services

We recently got my fiancee a Razer from Verizon. I've had a Razer from Cingular for quite some time. We use the phones at about the same rate, yet her phone runs out of juice nearly twice as fast as mine does. I've been more than happy with battery life often lasting me up to 4 days. She HAS to recharge nearly every other day.

Does Verizon's CDMA technology require more battery power to keep a signal compared to GSM?
 
i don't know the full details but i have heard that there are different things that can affect battery life. i've heard that if it has to keep looking for a signal that uses more battery power. so if one gets better signal than another, i could see that.

do either of you use extra features like camera or music or anything like that more than the other?
 
Yes if Cingular is GSM that may be part of the reason.

Not that CDMA uses more necessarily. I hear Verizon is very good for reception... so long as you are always in digital with a bar or two the standby time should be very long.

Your individual habits may be a part of it as pontifex mentioned. Does she use a bluetooth headset?

My Alltel (CDMA) Razr lasts about 4 days before a recharge. Though it is only a week or two old.

Does she perhaps leave her phone on 24/7 and you don't? I almost always shut mine off at night... no reason to leave a battery powered device on 24/7. That's part of the reason my old Kyocera has an excellent battery after nearly 2 years while my friend's similar phone had a garbage battery after 9 months.

Also, I've read that when you get a new battery its best to give it a few full discharge/charge cycles, then you can charge it as regular. It's very bad to fully drain Lithium Ion batteries as well. Let it completely die a couple of times and its bound to lose some maximum charge.
 
i love my e815. i can't remember the last time i had to charge it. it still shows full battery. i even left it on all day 2 weekends ago, lol.
 
She uses absolutely no features other than the phonebook and calling. I really don't think she uses any more minutes than I do. Cingular is GSM and it is possible that I am getting a better signal...but I think we're both covered pretty well at home.

Maybe Verizon's phones have a differnet battery or something. Maybe she opens up the phone more than I do and the screen is draining it...I don't know. It is definitely odd as I am getting at least twice the battery length that she gets.
 
If she's getting a very weak signal, that will drain the battery fairly fast too. The phone seems like it tries harder to pick up a network, even if you're not using it. Last week I had half a battery left according to the phone, I was in an area with barely any signal, not enough to make a call, but enough that the phone didn't go into power-save mode. About an hour later, the phone was dead, when anywhere else it would have lasted a day easily.

Granted, I don't have a Razer, but needing charged every other day sounds pretty unusual, unless they just have batteries that are that bad.
 
Almost everyone here at work has a razor or razer , etc.. and the verizon unit does use battery more than the tmobile units... they were hoping firmware can fix it.. but they haven't check into it much lately
 
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