The battery has a ring-shaped layer which has a bad taste to discourage swallowing from babies and toddlers. We are using Bitrex®, the bitterest substance in the world commonly used in household products to prevent ingestion. The bitter taste layer on the Duracell cell is non-toxic and completely harmless if consumed. Find out more on bitrex.com.

*Applied on 2032, 2025 and 2016 batteries. Those batteries have a diameter of 20mm, which is similar to the size of a child’s oesophagus. If swallowed, they are linked to major effects vs. smaller batteries.