was at the local scrap yard and they had several custom vans there and I got the light strips that lined the ceiling on the sides that use 12 volts and for 20.00 i got 4 6 ft. and 4 4ft. ones fixed them around the basement walls and hooked them to a switch and a 12 volt battery lights in the basement if power goes off now I'm looking to buy a solar or hand crank 12 volt battery
Malibu outdoor lighting is also run with 12vt dc bulbs. I ran a string of them for a hunting cabin. A solar panel feeds two 12vt gelcells, batteries feed lights and a power inverter, and a female automotive power outlet .