Scaremongering, try calculating the equivalent number of hand grenades for a filled gas tank on your car (Gasoline as nearly 10 times the energy densityHKJ Today, 01:01 AM
I've been complaining about the large gap between the outputs of the two highest modes on the Viking and the Barracuda: from 1,000+
Selfbuilt posted a review with lots of runtime graphs here.
Using his data, I read the runtimes for high mode - that's 3 minutes in high,
I'll snap a picture of the "lego-ability" of these new lights maybe tomorrow night or Monday. I don't have time at