1769 Lumens from 15 watts, each headlight should have an array of 3 with massive heatsinks. 90W total power consumption, with a full battery the 85kW can run them for 40 days http://www.cree.com/led-components-and-modules/products/xlamp/arrays-directional/xlamp-mkr and for the high beams, 1x of these on each side behind another projector optic running at 100W for when you really need to *see* something far away http://www.cree.com/led-components-and-modules/products/xlamp/arrays-nondirectional/xlamp-cxa3050