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poliqs is offline poliqs
2010-02-20 , 00:39
Posts: 4 | Thanked: 0 times | Joined on Feb 2010
#31
This doesn't add to the discussion here at all, but I bought a USB car charger from zagg.com and it doesn't charge my n900. It charges my friend's Blackberry and my other friend's iPhone just fine. So, just don't buy one from zagg if you want to use it for an n900 (it's not a problem with the zagg product, just the n900).

I do have the zagg invisibleShield for my n900 and I like it a lot. I'd recommend it.
 
mosk33toe is offline mosk33toe
2010-02-24 , 00:32
Posts: 14 | Thanked: 4 times | Joined on Feb 2010
#32
Originally Posted by wmc90 View Post
The shorting of the data pins is a sure-fire way of getting charging working it seems. However, I've found just good ole' fashion persistence gets the n900 to charge on generic chargers.

I, for example, use one of the Belkin micro USB chargers with a blackberry storm cable (standard microUSB cable afaik, works to sync and all) and if I continually plug and unplug the charger I will eventually get it to charge. I wouldn't recommend it (and it cant 'wake' the device if the battery is totally flat) but if you REALLY need to charge your N900 on the road and haven't shorted those pins yet. This has reliably worked (in the sense that sometimes it will charge upon the first plug-in and sometimes it will take a few solid minutes of trying :P)
I have the same charger (Belkin Micro Auto Charger) and cannot get it work. I am not sure how to go about shorting the data pins, would it be possible to give a detailed explanation?

Having to buy an addition charger would be a pain (too many cables floating around in my car), so any help would be very much appreciated.

Thank you!
 
myk is offline myk
2010-02-26 , 03:47
Posts: 293 | Thanked: 76 times | Joined on Jan 2008 @ Fremantle, W. Australia
#33
I have a "force" branded micro-USB car charger.
When plugged in the N900 said it was charging, but it must have been getting less current than it consumes, at least with backlight and GPS on. The battery level continued to drop.
It was only a 2-wire cable, and I replaced the cable and micro-USB connector. Now it works fine. I don't know how the old one was connected to make it appear to charge, but not really. Could it just have been too much resistance in the cable, so lower voltage?
 
wmc90 is offline wmc90
2010-04-16 , 07:25
Posts: 20 | Thanked: 10 times | Joined on Jan 2010 @ Australia
#34
Originally Posted by mosk33toe View Post
I have the same charger (Belkin Micro Auto Charger) and cannot get it work. I am not sure how to go about shorting the data pins, would it be possible to give a detailed explanation?

Having to buy an addition charger would be a pain (too many cables floating around in my car), so any help would be very much appreciated.

Thank you!
Sorry, didn't see your reply.

I haven't gone about shorting the pins myself but from what I can tell its just a case of connecting the two data wires together or shorting the contacts on the actual plug.

Here's a link from someone that's actually done it properly (with a 200ohm resistor; as per spec) http://danielwould.wordpress.com/201...-dumb-charger/

As for not getting it working on the belkin; it certainly seems like it won't work and then suddenly it will charge as if nothing is wrong. This is from plugging and unplugging from the phone side.. which probably isn't the best for the plug itself but it works in an emergency.

EDIT: Okay, just did the pin shorting on a sacrificial USB extension cable and it definitely works. You'll be connecting the green and white wires together and thats about it. I did it on a USB extension (which I also shortened in the process) simply because it's easier to carry around and it can make any old microusb cable compatible.

Although I soldered mine (poorly, I might add) you could probably get away with just twisting the bare cables together and taping it up. Keep in mind this is what is supplying power to your device but if you want to go dodgey then thats how :P

Also pics (yes, thats an Apple charger :P)
http://smg.photobucket.com/albums/v1...ent-YZAIBV.jpg
http://smg.photobucket.com/albums/v1...ent-7B49AV.jpg

EDIT2: Word of warning; even though the colours of the cables SHOULD be green and white you should check beforehand whether they are ordered correctly! Dodgey cables might have these mixed up and sending 5V down the wrong line could SERIOUSLY mess your device. That warning also extends to if you mess up the soldering/isolation of wires etc.
Last edited by wmc90; 2010-04-16 at 08:08.
 

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DaSilva is offline DaSilva
2010-04-18 , 22:23
Posts: 729 | Thanked: 155 times | Joined on Dec 2009
#35
Is there a car charger for the N900 available without problems and with enough power for display + GPS?
 
shadowjk is offline shadowjk
2010-04-18 , 23:13
Posts: 1,258 | Thanked: 672 times | Joined on Mar 2009
#36
Nokia DC-10 has as much power as the wall-charger, which is about 5 times more than what display+gps uses. Works fine.
 
myk is offline myk
2010-04-19 , 06:51
Posts: 293 | Thanked: 76 times | Joined on Jan 2008 @ Fremantle, W. Australia
#37
This looks like a fast car-charger to suit Nokia micro-USB:

http://www.dealextreme.com/details.dx/sku.26327

DC-10 equivalent? I have ordered one. Only $4.
 
Viliny is offline Viliny
2010-04-19 , 11:07
Posts: 14 | Thanked: 1 time | Joined on Apr 2010
#38
Originally Posted by olighak View Post
Iīve got several generic usb-usb micro generic cables here. I also have a generic 12V dc port - usb charger (cigarette lighter to usb) and my N900 charges with those, in the car and from my laptop. It charges pretty slow from those sources, as they are probably not feeding it as much juice as the wall charger, but they all work for me.

However I canīt sync through other cables than the nokia cable that came with the device. I doubt its a magical cable but who knows....
The cable i got to charge my logitech mouse with chargeable batteries via computer usb works flawlessly for the N900 - so i do think it's a standard cable
 
Bingley Joe is offline Bingley Joe
2010-04-19 , 13:05
Posts: 356 | Thanked: 172 times | Joined on Jan 2010 @ Canada
#39
Originally Posted by DaSilva View Post
Is there a car charger for the N900 available without problems and with enough power for display + GPS?
I have a Nokia DC-6 that seems to work just perfectly.
 
sebastian_ua is offline sebastian_ua
2010-04-19 , 13:13
Posts: 13 | Thanked: 23 times | Joined on Mar 2010
#40
I've got Powerjolt Dual Universal 2 USB Blk Car Charger, and it works sometime that's really weird but I don't know how do I get it working. Plugging and unpluging the cable few times. Most likely I have to plug the charger, than cable into charger and finally cable into n900. and yes, I do use out of the box cable.

btw, this charger doesn't work with 5800, so it could be charger issue too.
 
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