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Posts: 293 | Thanked: 74 times | Joined on Jan 2008 @ Fremantle, W. Australia
#71
Originally Posted by shadowjk View Post
Would be interesting to know how much of that 1.6A@3.7V came out the other side
Probably not much. I was not brave enough to run it long.
With 2x18650, it only drew 0.4A, rising a bit as the voltage dropped. I did a decent charge of the phone in a couple of hours, and the ca-146c did not get overly hot.
I doubt it is much more than 500mA out in either case, so the efficiency of low-V 1.6A would be 50% or worse, and increased resistive losses in the battery & cable. I'll stick to using 7-8V in with 2 cells and keep the magic smoke inside.

Last edited by myk; 2010-02-26 at 02:13.
 
Posts: 1,258 | Thanked: 670 times | Joined on Mar 2009
#72
Well, the efficiency at 2*(3.5 ... 4.2) would be interesting too
 
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Posts: 1,290 | Thanked: 1,753 times | Joined on Aug 2009 @ Budapest, Hungary
#73
This adapter was in my N900 box, that's for sure.

And I tend to prefer it over its own charger because that one makes a very awkward hissing noise when plugged in.
 
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Posts: 187 | Thanked: 659 times | Joined on Sep 2009 @ Hampshire, UK
#74
My first N900 was one of the first direct Nokia batch to the UK - it had the charger adapter.

I got a second N900 from Vodafone this week, which also had the adapter in the box.

The first charger adapter died after a couple of days charging the phone in the car for longish (4-5 hour) periods each day.
 
Posts: 293 | Thanked: 74 times | Joined on Jan 2008 @ Fremantle, W. Australia
#75
Originally Posted by Venemo View Post
its own charger because that one makes a very awkward hissing noise when plugged in.
You should get that replaced under warranty.
 

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Posts: 1,290 | Thanked: 1,753 times | Joined on Aug 2009 @ Budapest, Hungary
#76
Originally Posted by myk View Post
You should get that replaced under warranty.
Good idea.
 
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accessories, adapter, box, ca-146c, charger adapter, charging, contents, in the box, n900, power, regional difference, retail

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