This Lithium Battery Turned a Wrench Red Hot ???? - Video

What happens when a lithium battery gets directly short-circuited? In this video, the battery dumps massive electrical current through a steel wrench, causing extreme resistive heating until the metal turns red hot. This demonstrates how quickly lithium batteries can release enormous amounts of energy during an uncontrolled discharge. Short circuits like this can lead to fire, venting, or thermal runaway within seconds.


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