New U.S. button/coin battery regulations have begun to be enforced
The U.S. Consumer Product Safety Commission (CPSC) has developed ANSI/UL 4200A-2023 to eliminate or reduce the risk of injury to children six years of age and younger from ingestion of button/coin batteries as required by the Reese Act. Mandatory consumer product safety rules for consumer products and codified in 16 CFR 1263 to regulate the consumer product safety of such products.

The regulation has been enforced on March 19, 2024, and applies to consumer products containing button batteries or coin batteries, and exempts toy products intended for children under 14 years of age (toy products must comply with the requirements of 16 CFR 1250 and zinc-air batteries ).
ANSI/UL 4200A-2023 sets out systematic requirements for products containing button batteries in terms of structure, testing, warning labels (product body and packaging), instructions, etc.

product structure:

1. When the terminal product has a "battery that allows the user to move or replace it", the structure needs to meet the following requirements:

a. The No. 11 test probe of IEC 61032 must not come into contact with the battery. Enclosures that can be opened without the aid of tools, or that can be opened by hand in less than two independent consecutive movements, are opened for evaluation during the inspection.

b. The product needs to be designed as follows to prevent children from moving the battery:

Tools (such as screwdrivers, coins) are required to open the battery cavity, and a minimum rotation angle of at least 0.5Nm and 90 degrees is required to open the battery cavity, or the fastener should engage at least two complete threads; or when using hands, at least two Only an independent and combined action can the lid or door of the battery chamber be opened.

c. If the cover or door of the battery compartment is fixed by screws or similar fasteners, the fasteners must be restricted to the cover or door, such as non-removable screws.

2. When a product has a "battery that does not allow users to move or replace it", it needs to be effectively prevented from being removed by users or children. The product must be designed to:

a. Make the battery inaccessible through a casing or similar means;

b. Or completely fix the battery by welding, rivets or similar means.

Testing requirements:

structural requirements;

Pretreatment requirements;

Abuse testing (drop test, impact test, squeeze test, torque test, pull test, pressure test, compliance test);

security testing;

Product and packaging labeling requirements;

Instructions required.