Use an inverter (12V dc to 120AC) and twice as many batteries
and solar panels as you originally thought you'd need...

Tom

On Mon, 28 May 2001 10:43:40 +0700 agustri  writes:
> Help me,
> We are going to build digital seismograph using data logger and this
> seismograph I'm going to operate in the remote site locations.
> My problems I don't have 110-220 vac in the site location but we 
> only
> have 12 v dc
> from the battery ( + the solar panel) for supply the data logger.
> I will be thankful to you (psn-ers) if you have a sollutions on my
> problems, Thankyou.
> 
> Agus Tri Sutanto
> MGA, Indonesia
> 
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