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post #1 of Old 09-01-2008 Thread Starter
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How to power laptop

We have a 120 volt charger for our laptop but I would like to be able to charge up without going through an inverter. It seems very inefficient to jack the 12VDC up to 120VAC with an inverter and then use a transformer to change back to 20VDC or whatever the laptop needs. Does anyone know of a gizmo that converts directly from 12VDC to 20VDC?
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