500Lux is more than enough to look under a car or work in low light conditions...
The Opalec is somewhere between 100-150 lux at the most, and it's more than enough for me to work under my car hood to change my headlamp bulbs the other day...
An Arc-LS, at around 300-400 lux, is way more than enough light to do anything...
Let alone something as bright as 1500 lux... So you can imagine if an SNII with 8,000 lux is used as a worklight...
I've used some of Wayne J's (Elektrolumens) 3D mods, and in particular, his early Starlux model with a really bright batwing, and it lasted over 100 hours with D batts, and still gave enough light to walk around the house with after 100 hours of operation...