The three LEDs available on All-Terrain Lentry® Portable Lighting Systems by Ventry Solutions, Inc. are so efficient that several can be powered by a single generator and still leave power to spare. Depending on the LED you choose (compare LEDs here), you may also have a choice of generator and even dual or triple telescoping lights.
V-Star LED = 240W and 20,000 lumens
V-Spec LED = 336W and 28,000 lumens
2-Headed V-Spec LED = 672W (336W each) and 56,000 lumens (28,000 lumens each)
Compare all models side-by-side here.