Penal Code section 537f

No storage battery composed in whole or in part of a used container, or used plate or plates and intended for use in the starting, lighting or ignition of automobiles, shall be sold or offered for sale in this State unless: the word “Rebuilt” together with the rebuilder’s name and address is labeled on one side of the battery in letters not less than one-half inch in height with a one-eighth inch stroke.
Any person selling or offering for sale such a battery in violation of this section shall be guilty of a misdemeanor, punishable by a fine not exceeding two hundred fifty dollars, or by imprisonment in the county jail for not more than six months, or by both such fine and imprisonment.

Source: Section 537f, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PEN§ionNum=537f.­ (updated Jan. 1, 1933; accessed Jun. 30, 2025).

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Verified:
Jun. 30, 2025

§ 537f's source at ca​.gov