plugging into 28v cig lighter

[RefugePilot]

I would like to be able to use the cigarette lighter in a 28v airplane. I have learned the hard way 28v airplanes and 12v products don't mix without a little help. What are my options for stepping down the voltage to a use-able one?

Thanks

 

[GravityHater]

http://www.sportys.com/acb/showdetl.cfm?&Product_ID=9840&DID=19

just click on thru the password request, itll take you there.