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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   N900 dead? (https://talk.maemo.org/showthread.php?t=38961)

brambi 2010-01-06 09:43
Re: N900 dead?
 
Quote:
Originally Posted by ZackMorris (Post 455095)
Leave the phone on the charger for a considerable amount of time, try overnight. Take the battery in and out, try again. Definitely invest in an external charger, there are many available for the 5800 which uses the same battery as the N900. Sounds like the battery is completely dead and is not getting enough power to the cpu to charge properly. I wouldn't go as far and say the device is dead, just a battery issue it sounds like.
Oh well it's already on its way to Nokia, will probably get a new one or my repaired one next week. God i'm missing it so hard :(

WannaDoIt 2010-01-06 21:27
Re: N900 dead?
 
Quote:
Originally Posted by brambi (Post 454799)
Sorry but, why the minus wire to the + pole and vica versa?
It would not charge the other way...

myk 2010-01-07 02:42
Re: N900 dead?
 
Quote:
Originally Posted by WannaDoIt (Post 456271)
It would not charge the other way...
Nice to know you still have all your fingers, but I'd check the polarity with a multimeter before doing that again!

QbAnYtO 2010-01-07 03:31
Re: N900 dead?
 
did you install windows on it? ::snickers:::D

harp 2010-01-07 05:54
Re: N900 dead?
 
Left transmission running over night and the charger wasn't plugged into the socket properly. Woke up this morning to a drained phone. Plugged it into the charger and it showed the Nokia logo. Tried turning it on 20 minutes later and it wouldn't turn on. Left it off and charging all day. Came home, took out the battery, waited 2 minutes, held down the power button on the N900 for about 20 seconds. Plugged in the battery and it turned on just great.

Thanks for the solution.

bandora 2010-01-07 06:57
Re: N900 dead?
 
Quote:
Originally Posted by harp (Post 456791)
Left transmission running over night and the charger wasn't plugged into the socket properly. Woke up this morning to a drained phone. Plugged it into the charger and it showed the Nokia logo. Tried turning it on 20 minutes later and it wouldn't turn on. Left it off and charging all day. Came home, took out the battery, waited 2 minutes, held down the power button on the N900 for about 20 seconds. Plugged in the battery and it turned on just great.

Thanks for the solution.
Yay! I helped at least one person! :)

fragos 2010-02-01 23:28
Re: N900 dead?
 
The worst thing you can do to a Li-ion battery is to run it flat. My N810 I charge every night even if barely used. Li-ion batteries respond well to being topped off unlike Ni-cads which were better performers if run dead before charging.

myk 2010-02-02 00:15
Re: N900 dead?
 
Quote:
Originally Posted by fragos (Post 505978)
The worst thing you can do to a Li-ion battery is to run it flat.
Except that you cannot do it.
They have a built-in chip to prevent over-discharge. That aside, Li_Ions don't care much if they are used deep-cycle, or frequent top-ups, do they?
Its the old lead-acid batteries that last longer if kept topped up. Actually, the shelf life of Li-Ions is better if stored partially discharged.

fragos 2010-02-02 00:42
Re: N900 dead?
 
Quote:
Originally Posted by myk (Post 506032)
Except that you cannot do it.
They have a built-in chip to prevent over-discharge. That aside, Li_Ions don't care much if they are used deep-cycle, or frequent top-ups, do they?
Its the old lead-acid batteries that last longer if kept topped up. Actually, the shelf life of Li-Ions is better if stored partially discharged.
It's my understanding that you get more charge cycles if you top off than run it way down. I've also read that storage is better in a partially discharged state but I don't know how that relates to daily use the way I do it.

rincic83 2010-02-02 00:50
Re: N900 dead?
 
Quote:
Originally Posted by fragos (Post 505978)
The worst thing you can do to a Li-ion battery is to run it flat. My N810 I charge every night even if barely used. Li-ion batteries respond well to being topped off unlike Ni-cads which were better performers if run dead before charging.
Yup, I charge my n900 every night too. And even in car over day, while I listen to FM transmitter so I must plug it in and charge so transmitter is like 50% stronger.. My battery is hardly ever under half of its life.
And about that happened to your phone over night,.. I would just take it back where I bought it and ask for repair or new one.


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