hid retrofit

@Stephenj37826 came up with this cool idea of a Plug n Play HID Duct cooled retrofit Kit using the LED's Lets see what it looks like. Math first...o_O 4 x boards on 2x HLG240H-2100 1/8 inch Aluminum plate. Air cooled. Total Wattage 540 Watts About 490 watts into 1216 Samsung 561 C diodes Case...