Secondary Power Suply

[Joseph Reeves]

http://gettingstartedopenmoko.wordpress.com/2008/05/20/charging-your-neo-freerunner/

I've been running a FreeRunner from a solar panel smaller than a sheet
of A4 paper.

Joseph



2008/7/11 Erland Lewin <erland at lewin.nu>:
> 2008/7/11 Benedikt Schindler <BeniSchindler at gmx.de>:
>>
>> has someone attached a secondary power suply to a OM device ?
>> I am thinking of adding a solar cell to the back of the Freerunner.
>> So that if it lies around on my desk it will get the standby power by
>> the solar cell and not from the battery.
>>
>> did someone tried something like that?
>> And did anyone know what the output V of the battery is?
>> (I haven't my freerunner jet. So i couldn't look into it. Is it 5V like
>> USB?)
>> Or maybe the mA of a stand by / full running Freerunner.
>> I know that we exceeded the 100mA at the boot up with glamo running.
>> (problem for the boot up without battery)
>> But in a stand by situation, we must be under 100mA because we could
>> charge the device with a 100mA usb device......
>
> There's a wiki page about power consumption:
>
> http://wiki.openmoko.org/wiki/Neo1973_Power_Management
>
> I think the topic of solar cells has been up on the list (many months ago),
> and the conclusion was that there had to be quite many cells to be able to
> power a running phone.
>
> /Erland
>
>
>
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