[OLPC-SF] XO charger surgery
Sameer Verma
sverma at sfsu.edu
Thu Feb 21 12:04:05 EST 2008
Sameer Verma wrote:
> I shared this with the folks who came by on Feb 9. Here's more...with
> pictures.
>
> http://sameerverma.org/blog/?postid=171
>
> Sameer
>
Forwarding an item from Irwin Taranto, with permision.
On Thursday 21 February 2008 08:06 am, you wrote:
> > irwin taranto wrote:
>
>> > > Great job. I notice that you have a 12 volt solar charger. Can you
>> > > tell me about that?
>> > >
>> > > Thanks.
>> > >
>> > > irwin
>> > >
>> > > On Thursday 21 February 2008 12:13 am, you wrote:
>>
>>> > >> I shared this with the folks who came by on Feb 9. Here's more...with
>>> > >> pictures.
>>> > >>
>>> > >> http://sameerverma.org/blog/?postid=171
>>> > >>
>>> > >> Sameer
>>>
> >
> > Hi Irwin,
> >
> > Its a trickle charger that provides 1.5 watts. I haven't had much luck
> > with it when the XO is running, but it will trickle-charge the XO over a
> > longer duration. If you couple two or more, it should work much better.
> > Assuming you have a charger can do 2 amps, you are looking at 12/2=6
> > watts. So, to get the same performance as the wall charger, you'll need
> > four panels. At $10 a piece, that's not bad.
> >
> > http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=44768
> >
> >
> > Sameer
>
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