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delta.br is offline delta.br
2010-12-23 , 19:13
Posts: 26 | Thanked: 2 times | Joined on Dec 2010
#1
Hello,

i plugged out my phone today morning with a charge of "84%". Right now it's connected to the charger (all the day) and here we go:

Code:
root@Nokia-N900 ~ # lshal | grep battery.charge_level.percentage
  battery.charge_level.percentage = 1  (0x1)  (int)
Too bad. Somebody got a idea how to get rid of that? What about when i want to disconnect and go out a bit now?

I am using Internet (3G) over my Nokia N900 with Joikuspot - but even USB does not help ....
 
retsaw is offline retsaw
2010-12-23 , 19:19
Posts: 701 | Thanked: 585 times | Joined on Sep 2010 @ London, England
#2
Something to bare in mind when checking the battery level is that it isn't updated until after you take it off charge.
 
delta.br is offline delta.br
2010-12-23 , 19:28
Posts: 26 | Thanked: 2 times | Joined on Dec 2010
#3
I did. After 2 Minutes waiting here we go:
Code:
root@Nokia-N900 ~ # lshal | grep battery
  battery.charge_level.capacity_state = 'low'  (string)
  battery.charge_level.current = 1  (0x1)  (int)
  battery.charge_level.design = 8  (0x8)  (int)
  battery.charge_level.last_full = 1  (0x1)  (int)
  battery.charge_level.percentage = 0  (0x0)  (int)
  battery.charge_level.unit = 'bars'  (string)
  battery.is_rechargeable = true  (bool)
  battery.present = true  (bool)
  battery.rechargeable.is_charging = false  (bool)
  battery.rechargeable.is_discharging = true  (bool)
  battery.remaining_time = 0  (0x0)  (int)
  battery.remaining_time.calculate_per_time = false  (bool)
  battery.reporting.current = 5  (0x5)  (int)
  battery.reporting.design = 1265  (0x4f1)  (int)
  battery.reporting.last_full = 5  (0x5)  (int)
  battery.reporting.unit = 'mAh'  (string)
  battery.type = 'pda'  (string)
  battery.voltage.current = 3563  (0xdeb)  (int)
  battery.voltage.design = 4200  (0x1068)  (int)
  battery.voltage.unit = 'mV'  (string)
  info.capabilities = {'battery'} (string list)
  info.category = 'battery'  (string)
 
geneven is offline geneven
2010-12-23 , 19:36
Posts: 5,795 | Thanked: 3,151 times | Joined on Feb 2007 @ Agoura Hills Calif
#4
If you are charging with USB, this happens and you should try another connection.

Did it ever work?

I use a separate charger. It cost about $10.
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delta.br is offline delta.br
2010-12-23 , 19:44
Posts: 26 | Thanked: 2 times | Joined on Dec 2010
#5
I charged by wall charger, now i put to usb, still 0% but i will keep it in for some hours and give Feedback over here.

Edit: Now i connected a No-Break between charger and Energy, maybe it's just shitty energy today. We'll see. Still using wall charger now. But i think it will not solve the problem too...

Edit 2: I think it's Joikuspot. I connect now to direct USB Connection over Nokia OVI Suite. Let's see if it's getting my phone charged. But maybe somebody elese have that problem when using N900 as a 3G Modem?
Last edited by delta.br; 2010-12-23 at 20:17.
 
delta.br is offline delta.br
2010-12-23 , 20:21
Posts: 26 | Thanked: 2 times | Joined on Dec 2010
#6
I installed BatteryGraph now and logging there the charge in %, hopefully it's working when it's connected to a charger - does it?
 
delta.br is offline delta.br
2010-12-23 , 20:47
Posts: 26 | Thanked: 2 times | Joined on Dec 2010
#7
Right now I found out:

If the internet 3G is disconnected it charges - wallcharger or USB - if i use the n900 as a modem it will not charge sufficient. Have somebody the same problem here?
 
slender is offline slender
2010-12-23 , 21:16
Posts: 2,829 | Thanked: 1,459 times | Joined on Dec 2009 @ Finland
#8
Originally Posted by delta.br View Post
Right now I found out:

If the internet 3G is disconnected it charges - wallcharger or USB - if i use the n900 as a modem it will not charge sufficient. Have somebody the same problem here?
Report to joikuspot and explain your situation. Sadly itīs holiday season so I would wait for at least week for answer :|
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delta.br is offline delta.br
2010-12-23 , 22:16
Posts: 26 | Thanked: 2 times | Joined on Dec 2010
#9
Believe it or not: After a reboot that issue is solved.

Maybe because due a kernel update i made? Funny.
 
shadowjk is offline shadowjk
2010-12-26 , 09:46
Posts: 1,258 | Thanked: 672 times | Joined on Mar 2009
#10
Joikuspot adds a constant 300-500mA drain. Charging from a USB host would at best keep the battery level from falling.

Add 3g on top, which can consume 200-600mA extra, and you'd be losing charge fast.

The maximum charge from wallcharger is 950mA, and connecting it makes N900 draw 100mA extra since PR1.3.

The power balance is thus -300-200-100 + 950 = 350 at best and -300-600-100 +950 = -50 at near worst.

Using usb instead of the wifi is a drop of 300mA in consumption, but USB host is limited to 500mA.
Thus you have a range of -200-100+500 = +200 to -600-100+500 = -200
 
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