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Educational Resources

Tombstone Welding

High performance, lead-acid batteries as used in automotive, marine, and other industrial applications, contain a series of lead castings, called “tombstones,” which constitute the core of the individual battery cells. These lead tombstones must be linked together using consistent and precisely controlled weld nuggets in order to assure proper operation and long-life of the final battery assembly.

These tombstones are often welded using MFDC (mid-frequency direct current) welding power supplies.