[pfdietz]

They've been around forever, originally with zinc-air batteries. That must have failed somehow.

[gpm]

Does this comment have a purpose?

If they're still rolling out new manufacturing lines, they are clearly still kicking and have investors who believe they have a viable product.

Did they have to move on from one technology? I mean I've never heard of them before but if you say so, that's not really that surprising with how fast with battery technology is evolving.

[pfdietz]

Yes, it's that they have a history of promoting a technology that never arrived.

Use of bromine doesn't sound terribly practical.