Lithium batteries have revolutionized many industries with their high energy density, longer lifespan, and efficiency. However, with the growing adoption of lithium battery technology, safety concerns have emerged due to the potential risks associated with overcharging, overheating, and pressure build-up within the battery cells. One of the critical components designed to address these concerns is the WCB (Water-Cutting Brass) lithium battery valve. This specialized valve plays a pivotal role in ensuring the safety and optimal performance of lithium-ion batteries, particularly in preventing dangerous situations such as thermal runaway, which could lead to catastrophic failures.