Sodium-ion puncture = a puff of glory. LiFePO4 lithium puncture = smoke bomb. NCM lithium puncture = thermal runaway, the bomb! Condition: NexPower Sodium-ion cell 7Ah @70% SOC Nexcell LiFePO4 cell 7Ah @70% SOC Nexcell NCM lithium cell 10Ah @70% SOC