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cloudstrife1ph is offline cloudstrife1ph
2010-01-18 , 03:50
Posts: 250 | Thanked: 44 times | Joined on Jan 2010
#1
i just want to know if the batlevel and battery are accurate. when my tablet stops charging because it's full, the apps just show that it's 95% full...
 
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nicorumiz is offline nicorumiz
2010-01-18 , 03:59
Posts: 96 | Thanked: 16 times | Joined on Jan 2010 @ Denver, CO -> Italy
#2
Should be accurate...

type this in the terminal and check the log

lshal|grep bat
 
romanianusa is offline romanianusa
2010-02-03 , 00:39
Posts: 739 | Thanked: 114 times | Joined on Sep 2009
#3
I don't know if it's accurate but it seems like it is not in the sync in terms of visual level and percentage. Like i see it's 25% battery left and yet the bat icon bar shows almost half left.

I will find out which one is correct...i am going to drain it.
 
FranzDages is offline FranzDages
2010-02-03 , 01:14
Posts: 54 | Thanked: 27 times | Joined on Jan 2010 @ USA
#4
Originally Posted by romanianusa View Post
I don't know if it's accurate but it seems like it is not in the sync in terms of visual level and percentage. Like i see it's 25% battery left and yet the bat icon bar shows almost half left.

I will find out which one is correct...i am going to drain it.
Be careful of draining it completely. There have been some posts from people who let their battery completely drain, and then it would not charge in the phone. They had to use a desktop charger to recharge it some. It seems like there may be a limit set, that once the battery drops below, the N900 won't let it charge.
 
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omeriko9 is offline omeriko9
2010-02-03 , 01:17
Posts: 385 | Thanked: 344 times | Joined on Jan 2010 @ Israel
#5
Originally Posted by FranzDages View Post
Be careful of draining it completely. There have been some posts from people who let their battery completely drain, and then it would not charge in the phone. They had to use a desktop charger to recharge it some. It seems like there may be a limit set, that once the battery drops below, the N900 won't let it charge.
I always let it drain completely - it alerts me a few time about low battery, and then alerts to charge it - and the phone goes off. Never had trouble charging it from that state...
 
soeiro is offline soeiro
2010-02-03 , 03:10
Posts: 292 | Thanked: 131 times | Joined on Dec 2009
#6
I second omeriko9. I also always let it drain completely, until it shuts down. Then I charge it until I have a green light. Only then I turn it on.

I've had no problems with this. At least psychologically I feel that this procedure gives me more battery time.
__________________
Help improve N900, vote for:
Information about what the email client is doing
Find applications easily with tags for sub-menus
A better help system
Limit download of emails per connection type (don't fetch attachments)
A better use of internal flash
 
jakiman is offline jakiman
2010-02-03 , 03:15
Posts: 1,427 | Thanked: 2,077 times | Joined on Aug 2009 @ Sydney
#7
It's a lithium ion battery. It already has a pcb that stops further discharge when it reaches around 2.7 volts or so and overcharge beyond 4.2 voltas. There is hardly any benefit regardless of how much you charge or discharge.
 

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romanianusa is offline romanianusa
2010-02-03 , 03:49
Posts: 739 | Thanked: 114 times | Joined on Sep 2009
#8
Update: I think the battery level is pretty accurate. With 2 or 3% left, it shows tiny bar. With 0% left, it shows still tiny bar and then after awhile it turns RED and sounding alert. Full charge at 95 or 96% is normal to me...i never get 100%!!
 
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unkno is offline unkno
2010-02-03 , 04:31
Posts: 266 | Thanked: 157 times | Joined on Oct 2009
#9
Frequent complete (or even near complete) draining of a li-ion battery is detrimental to the life of the battery. It is better to charge it whenever necessary and not let it reach low levels.
 
jakiman is offline jakiman
2010-02-03 , 05:24
Posts: 1,427 | Thanked: 2,077 times | Joined on Aug 2009 @ Sydney
#10
I use Desktop Command Execution widget for my battery level. It's as accurate as you can get. =)
http://talk.maemo.org/showthread.php?t=39177
 
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