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What freight class is automotive batteries, wet lead-acid?

Typically class 70 (verify — hazmat)

This commodity is NOT classified by density. Its NMFC item assigns the class directly based on handling, stowability or liability, so packing it tighter will not change the rating.

Confidence: low. Sources disagree or the commodity varies enormously. Treat this as a starting point only. The binding answer is always the commodity's NMFC item as filed — this page is a planning estimate, not a classification ruling.

Why automotive batteries, wet lead-acid rates this class

Wet lead-acid batteries are UN2794, DOT Hazard Class 8 — hazmat packaging and paperwork rules apply regardless of freight class. Confirm directly with your carrier.

How to get the real number

  1. 1.Measure the extreme outside dimensions of the loaded pallet — including any overhang and the pallet itself.
  2. 2.Weigh it loaded, pallet included.
  3. 3.Divide weight by cubic feet to get density in lb/ft³.
  4. 4.Look the density up on the July 19, 2025 scale — or let the calculator do all four steps.

Category: Automotive parts. See the full density chart or how NMFC codes assign class in the first place.