[Boiler Plate]

This is really more of an engine than a battery in that it burns fuel (sugar) instead of being recharged (by reversing the electro/chemical process like a lead acid battery).

It does have some very interesting possibilities if it can be scaled up to the point that you could run a car on these.

[Ozark Tom]

Biological process based fuel cell-runs as long as you feed it. Combine with self mobility and behavior to forage for sustenance, could become autonomous. Add intelligence and ability to duplicate or self repair and achieve “Replicators”. Piss them off...