I can think of three ships with lithium loss. One is on the ground, there is no loss of life, burnt down the runway about 4 hours. The other two did not end so well.
Light resistance is not dependent on our wig grow up. They include the MOSFET drivers and some simple two large internal timer-driven MOSFET. They cost more than the type of car.
Most of the HID is 35 watts. I look forward to these about twice as bright as 100 watts incandescent, but not power them. I do not think this is an expensive upgrade.