James,

The manual recommends a 40W max bulb, that is why I asked. If you use a 40W bulb, it will consume 1/3 of the battery in one hour. I turn the modeling lights off entirely and can get about 850 shots on an AB800.

From the manual: The Vagabond Mini™ Lithium cannot power a 250W modeling lamp at full power. For Einstein™ and Zeus™ system users, we are in the process of acquiring a special 50W modeling lamp for reduced-intensity modeling lamp usage (only for
brief periods of usage for composition). For AlienBees™ or White Lightning™ users, the supplied modeling lamps can be replaced with lower 40W household bulbs to allow brief usage of modeling lamps for composition. If you choose to use a low wattage modeling lamp briefly, the units should be set to extinguish
the modeling lamps during recycle to minimize recycle time.