A friend lives on a boat with 12V power when he is not at the dock. He needs to run his laptop (dell inspiron) while out at sea. He had problems with a Radio Shack inverter (no suprise here) that finally blew itself up in a large puff of smoke. His options are a new (hopefully better quality) inverter or a laptop power adapter that runs from 12 volts and produces the correct DC power to directly supply and charge the laptop. I have been looking at names like Cyber Power and Targus and they seem to have suitable units for the job.
Any opinions on which is the better solution? It seems to me that the DC-DC (adapter) would be simpler than the need to chop and form 115vac which will go to still another adapter to provide the DC that the laptop actually will use.
Thanks for any help
Ron