By coating the iron sulfide cathodes in polymers, a research team was able to create transition-metal sulfide-based lithium batteries with stable cycling and high safety. After 300 cycles, a lithium carbide iron disulfide pouch cell retained 72.0% capacity with no capacity degradation after 100 cycles.
If you can cut it in half and it still works I doubt piercing it will do much.
Oh, oh god. I know exactly how I reasoned that.
Slashing damage is different than piercing damage in the games I play. For whatever reason I ignored the context.
RPG ahh battery