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booyah5 is offline booyah5
2007-08-25 , 06:42
Posts: 15 | Thanked: 0 times | Joined on Aug 2007
#1
Hi everyone.

I noticed that the pdf manual for the N800 says that you should not leave the unit plugged into the charger with a fully charged battery. They also don't mention how long it takes to charge the battery.

So here I am ready to go to bed with my N800 not yet fully charged thinking that I either have to 1) unplug the unit and top it off tomorrow morning, or 2) wait up until this thing charges.

Is it unreasonable to charge the thing over night when perhaps the unit might be all charged up in 30 minutes?

Thanks for your help with this.
 
jay8378 is offline jay8378
2007-08-25 , 12:55
Posts: 72 | Thanked: 2 times | Joined on Jul 2007
#2
Is there not a self cut off switch like most devices have these dayz? I mean come on nokia. I usually just leave it charging. If i get up in the middle of the night, ill unplug it. but i usually forget. I'm sure it just decreases the over all life span of the battery. But you can always get a battery off ebay
 
geneven is offline geneven
2007-08-25 , 16:36
Posts: 5,795 | Thanked: 3,151 times | Joined on Feb 2007 @ Agoura Hills Calif
#3
"I noticed that the pdf manual for the N800 says that you should not leave the unit plugged into the charger with a fully charged battery."

I think they mean not to leave it for weeks on end; they are not referring to ten seconds after it is charged, or a few hours.

In any case, I have several batteries, and I have been charging them all night for the last six months with no noticeable problems.
 
booyah5 is offline booyah5
2007-08-25 , 17:26
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#4
OK kewl. That's what I thought.
 
booyah5 is offline booyah5
2007-08-25 , 17:29
Posts: 15 | Thanked: 0 times | Joined on Aug 2007
#5
BTW, does anyone know of a car charger? Nokia doesn't seem to have one listed for the N800's accessories. I was thinking about buying an inverter and using the wall charger, but a car charger would be smaller/more convenient.
 
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Karel Jansens is offline Karel Jansens
2007-08-25 , 18:04
Posts: 3,220 | Thanked: 326 times | Joined on Oct 2005 @ "Almost there!" (Monte Christo, Count of)
#6
Originally Posted by booyah5 View Post
BTW, does anyone know of a car charger? Nokia doesn't seem to have one listed for the N800's accessories. I was thinking about buying an inverter and using the wall charger, but a car charger would be smaller/more convenient.
Any recent Nokia phone-compatible car charger will work just fine. If you can get one with the small tip, you don't need an adapter.
 
jweinel is offline jweinel
2007-08-25 , 19:45
Posts: 101 | Thanked: 12 times | Joined on Jun 2007 @ Greensboro, NC
#7
The Nokia DC-4 is one that can be used with the N800/770. It is supplied with the Nokia Navicore GPS Navigation Kit for these units. Try the "Search" feature at the top of the page and you will find answers to any question you can imagine.
 
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DistantFire is offline DistantFire
2008-05-06 , 13:41
Posts: 134 | Thanked: 25 times | Joined on Dec 2007 @ New Jersey
#8
Originally Posted by booyah5 View Post
Hi everyone.

I noticed that the pdf manual for the N800 says that you should not leave the unit plugged into the charger with a fully charged battery. They also don't mention how long it takes to charge the battery.
I realize this is an OLD thread, but I finally disciplined myself to time how long it takes to charge my N800's battery from fully dead to fully charged:

2.5 hours.

Your mileage may vary, of course, but in case anyone still wanted to know...
__________________
IT: N810 / Diablo (former N800 now broken)
PC: Windows 7
Cell: Blackberry Bold (crippled by my employer)
MP3: Insignia NS-DV4G or IT/Canola
 
Iceman0124 is offline Iceman0124
2008-05-07 , 05:50
Posts: 32 | Thanked: 2 times | Joined on May 2008 @ Chattanowhere TN
#9
Its not a good idea to leave any l-ion battery plugged in after its fully charged, it shouldnt overcharge, but all l-ions have a finite number of charge/discharge cycles, when the battery is fully charged, while plugged in it will stop charging, it will slightly discharge, then recharge, rapidly consuming the limited number of cycles. Thats why laptop owners that spend 99% of their time with it anchored to a wall are often dismayed on that rare occasion they take it out unteathered and think they got screwed with a bad battery.
 
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GeneralAntilles is offline GeneralAntilles
2008-05-07 , 06:18
Posts: 5,478 | Thanked: 5,222 times | Joined on Jan 2006 @ St. Petersburg, FL
#10
Originally Posted by Iceman0124 View Post
Thats why laptop owners that spend 99% of their time with it anchored to a wall are often dismayed on that rare occasion they take it out unteathered and think they got screwed with a bad battery.
Only sorta, it really has more to do with the fact that laptops are damn hot, and even moreso on their mains charger. Hot + li-ion = bad news. We have no such heat issues with our NITs, so leaving them on the charger isn't nearly as much of an issue as for laptops (anecdotally speaking, I have 3 batteries in 3 devices, two of which are left on the charger—770s—almost all of the time and I haven't noticed any significant impact in battery life).
 
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