Certified models meet all ENERGY STAR requirements for DC-output models as listed in the Version 1.1 ENERGY STAR Program Requirements for Electric Vehicle Supply Equipment that are effective as of March 31, 2021 or the V1.2 ENERGY STAR Program Requirements that are effective as of June 20, 2023. A detailed listing of key efficiency criteria are available at https://www.energystar.gov/products/evse_key_product_criteria.