Cal. Pub. Res. Code § 42453
(a)
(b) A system for the acceptance and collection of used rechargeable batteries for reuse, recycling, or proper disposal shall, at a minimum, include all of the following elements:
(1)
(2) If the retailer sells a rechargeable battery through a catalog order, telephone order, or other method that does not involve in-store sales, the retailer shall be deemed in compliance with this article if the retailer provides a reasonable notice either at the time of purchase or delivery to the consumer of an opportunity to return used rechargeable batteries at no cost for reuse, recycling, or proper disposal.
(3) Making information available to consumers about rechargeable battery recycling opportunities provided by the retailer and encouraging consumers to utilize those opportunities. This information may include, but is not limited to, one or more of the following: