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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   N900 battery life questions, issues, scenarios (https://talk.maemo.org/showthread.php?t=31020)

zkyevolved 2009-09-17 19:05
Re: N900 battery life
 
I'm twitching to pre-order this phone, but I need to know if I will be able to get through a whole day with just emails and instant messages. I don't even mind getting on GPRS or EDGE Only. Here is my history of phones:
Xperia X1 - with Push Activesync email and NO instant messaging I got about 8 -9 hours (under GPRS).
HTC Magic - I got about 10 hours or so
Apple iPhone - Don't ask. HORRIBLE
Apple iPhone 3G - Even worse under GPRS mode.
Samsung Omnia - about 12 hours, but I didn't try to send lots of messages. It was horrible writing out messages on this one.

By far, the best battery life was given to me by my:
Blackberry 8300 and blackberry bold 9000. Both offering at least a full days worth of instant messaging and push email.

But all I NEED is 18 hours of email and instant messaging and maybe 2 hours worth of music. :( I'm not big on web browser guy, and I'm not big on youtube. All I need is a device that leaves me in contact with everyone :P My blackberry does that... but its OS is SOOOOOOOOO outdated! It makes me feel old just putting in my password :( ....

qgil 2009-09-17 19:23
Re: N900 battery life
 
Quote:
Originally Posted by R-R (Post 328336)
Are you saying that you can do all this in a day and never plug it until you go to bed?
No, I'm not saying it. Not many sales devices in this category would resist this intensive use in one go. About the N900 you will find yourselves after opening the sales box. In any case you know that Nokia has high standards in power management.

By the way, if you really want to go down to the technical stuff in power management for Maemo 5 you can have a look at the session Peter De Schrijver made at FOSDEM earlier this year

http://free-electrons.com/blog/fosdem-2009-videos/

Quote:
Advanced power management for OMAP3, by Peter De Schrijver (Nokia)
Video (49 minutes, 169M)
A very interesting, in-depth, technical talk about the power management features of the OMAP3 CPU and how these features can be used by the Linux kernel.
In the Summit you can meet Igor Stoppa in person. He will be glad talking to you about power management and other core stuff.

bugelrex 2009-09-17 19:36
Re: N900 battery life
 
Quote:
Originally Posted by qgil (Post 328692)
No, I'm not saying it. Not many sales devices in this category would resist this intensive use in one go. About the N900 you will find yourselves after opening the sales box. In any case you know that Nokia has high standards in power management.

By the way, if you really want to go down to the technical stuff in power management for Maemo 5 you can have a look at the session Peter De Schrijver made at FOSDEM earlier this year

http://free-electrons.com/blog/fosdem-2009-videos/



In the Summit you can meet Igor Stoppa in person. He will be glad talking to you about power management and other core stuff.
These theoretical data is meaningless to the average end-user as we don't know how well the internal software is written/optimized. I wish one of the user's here with a proto-type at home would chime in and give an idea of current battery usage.

Even though its proto firmware, it should give a decent indication. For example, if a regular day of medium usage yields 8 hours on the latest firmware then perhaps production firmware (week away) might see a ~25% increase to 12 hours but 16 hours would be unrealistic given the release time-frame.

I mean, should people who pre-order really have to just "trust" Nokia on an acceptable battery life. 9am to 11pm with at least 1 bar left?

zkyevolved 2009-09-17 20:35
Re: N900 battery life
 
Quote:
Originally Posted by bugelrex (Post 328698)
I mean, should people who pre-order really have to just "trust" Nokia on an acceptable battery life. 9am to 11pm with at least 1 bar left?
That's what they'd like. This is the main feature why I'm reluctant to pre-order... :( sad.

bbin 2009-09-17 20:44
Re: N900 battery life
 
Latest firmware user reported in a finnish mobile phone forum that his n900 now lasts 12-13h of "normal" use with the wlan on all the time. He says that it has improved from the former firmwares.

I think this is quite reasonable time with data moving all the time. Let's hope that the production model will do even better.

Bratag 2009-09-17 20:48
Re: N900 battery life
 
That seems perfectly fine for wlan all time use. My g1 hemorrhages power when wlan on

Laughing Man 2009-09-17 20:56
Re: N900 battery life
 
Yeah that's fine for WLAN usage. Not to mention if you were going to use WLAN for that long you could just plug your phone in somewhere (PC or outlet) to charge it.

bugelrex 2009-09-17 21:02
Re: N900 battery life
 
Quote:
Originally Posted by bbin (Post 328731)
Latest firmware user reported in a finnish mobile phone forum that his n900 now lasts 12-13h of "normal" use with the wlan on all the time. He says that it has improved from the former firmwares.

I think this is quite reasonable time with data moving all the time. Let's hope that the production model will do even better.

This is great, hope we can keep more real info flowing in for people concerned about battery to to pre-order (especially since Amazon.com's amazing price could end soon!)

TedMilker 2009-09-17 21:07
Re: N900 battery life
 
Quote:
Originally Posted by Laughing Man (Post 328492)
Aww that kills augmented reality apps.
That kills some augmented reality apps but definitely not all. You could still use the camera alone and do AR with symbol recognition or use it in combination with the GPS for tasks while moving(virtual billboards for example or even cooler, GPS directions integrated into video).

sachin007 2009-09-17 22:33
Re: N900 battery life
 
Quote:
Originally Posted by zkyevolved (Post 328673)
I'm twitching to pre-order this phone, but I need to know if I will be able to get through a whole day with just emails and instant messages. I don't even mind getting on GPRS or EDGE Only. Here is my history of phones:
Xperia X1 - with Push Activesync email and NO instant messaging I got about 8 -9 hours (under GPRS).
HTC Magic - I got about 10 hours or so
Apple iPhone - Don't ask. HORRIBLE
Apple iPhone 3G - Even worse under GPRS mode.
Samsung Omnia - about 12 hours, but I didn't try to send lots of messages. It was horrible writing out messages on this one.

By far, the best battery life was given to me by my:
Blackberry 8300 and blackberry bold 9000. Both offering at least a full days worth of instant messaging and push email.

But all I NEED is 18 hours of email and instant messaging and maybe 2 hours worth of music. :( I'm not big on web browser guy, and I'm not big on youtube. All I need is a device that leaves me in contact with everyone :P My blackberry does that... but its OS is SOOOOOOOOO outdated! It makes me feel old just putting in my password :( ....
If you are looking for a good battery life with emails and less web browsing the best phone would be the nokia e71 or soon to be released e72. The n900's battery will not be better than the iphone 3g considering that it can do much more than the iphone 3g at any point of time.


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