42 U.S.C. § 14321

The purpose of this subchapter is to facilitate the efficient recycling or proper disposal of used nickel-cadmium rechargeable batteries, used small sealed lead-acid rechargeable batteries, other regulated batteries, and such rechargeable batteries in used consumer products, by— (1) providing for uniform labeling requirements and streamlined regulatory requirements for regulated battery collection programs; and (2) encouraging voluntary industry programs by eliminating barriers to funding the collection and recycling or proper disposal of used rechargeable batteries.