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-   -   USB Car Charger Adapter (https://talk.maemo.org/showthread.php?t=89954)

unoace 2013-04-30 09:47
USB Car Charger Adapter
 
Does anyone know how to make USB Car Apapters work with the N9? It tells me not enough power from USB to charge device.
http://community.digitizd.com/wp-con...r-41815228.jpg
http://pics1.ds-static.com/prodimg/461855/300.JPG

its the last picture, looks just like the first one though.

Not sure if this will help but

Input:12-24V DC
Output: 5.0V-1,000mA

juiceme 2013-04-30 11:40
Re: USB Car Charger Adapter
 
Is it meant for Apple iDevice charging?

If so, then the reason it does not charge your device is because Apple uses different method of identifying a device on the USB bus as dummy charger. You need a special cable or a breakout box so that your N9 recognizes the charger correctly.

pichlo 2013-04-30 11:47
Re: USB Car Charger Adapter
 
FWIW, I bought the black variant in a local pound shop and am successfully using it with my N900. Unlike my original car adapter that came with it, but I blame the USB-port-about-to-break syndrome for the latter.

unoace 2013-05-01 06:10
Re: USB Car Charger Adapter
 
I'm not sure if it was made specifically for an iphone but it just stated usb adapter.

knobtviker 2013-05-01 06:25
It says current output is 1A but it really isn't. Use original Nokia car chargers. I had no issue with them.

thedead1440 2013-05-01 08:33
Re: USB Car Charger Adapter
 
I've used one that looks like the first picture with both a blackberry and Nokia USB wire and both my N9&N900 have charged successfully.

The power not enough message has flashed a few times before but a few seconds later it usually charges promptly. It could have been a loose wire to be blamed or the USB port on my devices at fault...

sponka 2013-05-01 09:24
Re: USB Car Charger Adapter
 
I believe somewhere on the forum is already an answer why is so, also with a quick & dirty hack (google smth like "car charger USB hack" -- dissassemble charger and connect middle wires; note that might be more easy to modify USB CABLE that connects charger and device).

I have 3 useless (at least for N900, N9 and E7) car chargers, from very cheap (5 EUR) to not so cheap (15 EUR) and finally gave up and bought original nokia DC-20 (dual USB charger). Besides beeing big (in height) works perfect!

unoace 2013-05-05 05:31
Re: USB Car Charger Adapter
 
I'm not that good with dissemble and assembly. But does the dual USB charger from Nokia work?

rswelter 2013-05-05 06:38
Re: USB Car Charger Adapter
 
my home charger is rated 1200ma /1.2 a maybe you need a little higher output? I think too high though may hurt battery life.

willi6868 2013-05-05 08:16
Quote:
Originally Posted by unoace (Post 1341355)
But does the dual USB charger from Nokia work?
Yea it's working without any problems :)

rainisto 2013-05-05 08:38
Re: USB Car Charger Adapter
 
You can make an adapter for your car chargers if you have problems.

http://talk.maemo.org/showthread.php?t=83519&page=2

That way N9 regognises non-standard car chargers as valid ones. Basicly you just make usb adapter with D+ and D- short circuited.

bockersjv 2013-05-06 19:11
Re: USB Car Charger Adapter
 
Quote:
Originally Posted by rswelter (Post 1341363)
my home charger is rated 1200ma /1.2 a maybe you need a little higher output? I think too high though may hurt battery life.
No it wont, the N9 will only draw the current it requires to charge.

rainisto 2013-05-07 06:28
Re: USB Car Charger Adapter
 
Quote:
Originally Posted by bockersjv (Post 1341698)
No it wont, the N9 will only draw the current it requires to charge.
When N9 notices short circuit in D+ D- it will charge upto 1A, and when it detects computer on the other end it will charge max 500mA.
And when it doesnt detect, then it charges 0.

juiceme 2013-05-07 08:57
Re: USB Car Charger Adapter
 
Quote:
Originally Posted by rainisto (Post 1341795)
And when it doesnt detect, then it charges 0.
Ah, I kind of thought it would draw a minimal current in that case, something like 50mA or 100mA.
Makes sense though it does not take anything, as 50mA charging current is unusable anyway :D

unoace 2013-05-12 09:24
Re: USB Car Charger Adapter
 
So will all usb charger adapters do this?

rainisto 2013-05-12 16:16
Re: USB Car Charger Adapter
 
Quote:
Originally Posted by unoace (Post 1342965)
So will all usb charger adapters do this?
No, some usb charger adapters have d+ and d- short circuited by default and some don't, so you have to see it yourself.

unoace 2013-05-13 03:21
Re: USB Car Charger Adapter
 
I have to try each out? Best Buy got alot guess I'll start there.

rainisto 2013-05-13 04:08
Re: USB Car Charger Adapter
 
Quote:
Originally Posted by unoace (Post 1343122)
I have to try each out? Best Buy got alot guess I'll start there.
Or just buy one, and add short circuit adapter with d+ d- circuited

unoace 2013-05-13 05:29
Re: USB Car Charger Adapter
 
I'm not able to change it.

rainisto 2013-05-13 05:47
Re: USB Car Charger Adapter
 
ah yes, if you dont have any friends with soldering skills, then its a dice game.

You can always try something like this as most likely it will work if you choose Nokia model.

http://www.ebay.ie/itm/Universal-100...-/321069623694

unoace 2013-05-13 07:19
Re: USB Car Charger Adapter
 
Since I've been shown the dual charger thats what I'm looking for now :( lol do they offer it?

unoace 2013-05-15 03:40
Re: USB Car Charger Adapter
 
So after trying 5 chargers in a row none worked except "1"

http://i.walmartimages.com/i/p/00/70...70_500X500.jpg
thing is only worked if 1 thing is plugged in which is a rip off plus it costs as much as the nokia charger so might as well go with the company I trust ;)


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