I don't know if you have the same rules we do, but for us, the Navy says no to Lithium-anything. It stinks.
I work in a building for biological engineering sciences . . . I have to follow rules for chemical safety, but have been given no rules for robotics related stuff.
For example, I must label every chemical in my lab with a chemical safety label. My big tank of water in my lab has to say "H20 non-hazardous [date][my name]". They got mad when I just labeled it 'water' saying it was a policy violation . . . They do however let me wear shorts, no lab coat, and eat in my (personal) lab, a big no-no for the other labs . . .
Once a guy spilled some sulfuric acid and the entire building was evac'ed for half a day. Dudes with full hazmat suits surrounded the building. The guy who did it also spilled some on himself, so he had to walk around without pants for half a day.
I'd hate to be the guy that does that with a lipo battery . . . apologizing to my boss without pants on is definitely not cool . . .
Hence, I got a LiFe. (hehe bad pun but I always wanted to say that!)