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SAE J1634 (AUG2025)

Battery Electric Vehicle Energy Consumption and Range Test Procedure
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SAE J1634 (AUG2025)

Battery Electric Vehicle Energy Consumption and Range Test Procedure

PUBLISH DATE 2025
SAE J1634 (AUG2025)
This SAE Recommended Practice establishes uniform procedures for testing BEVs that are capable of being operated on public and private roads. The procedure applies only to vehicles using batteries as their sole source of power. It is the intent of this document to provide standard tests that will allow for the determination of energy consumption and range for light-duty vehicles (LDVs) based on the federal test procedure (FTP) using the urban dynamometer driving cycle (UDDS) and the highway fuel economy driving schedule (HFEDS) and provide a flexible testing methodology that is capable of accommodating additional test cycles as needed. Additionally, this SAE Recommended Practice provides five-cycle testing guidelines for vehicles performing supplementary testing on the US06, SC03, and cold FTP procedures. Realistic alternatives should be allowed for new technology. Evaluations are based on the total vehicle system’s performance and not on subsystems apart from the vehicle.
SDO SAE: SAE International
Document Number J1634
Publication Date Aug. 29, 2025
Language en - English
Page Count
Revision Level 202508
Supercedes
Committee
Publish Date Document Id Type View
April 12, 2026 J1634_202604 Revision
Aug. 29, 2025 J1634_202508 Revision
April 6, 2021 J1634_202104 Revision
July 12, 2017 J1634_201707 Revision
Oct. 4, 2012 J1634_201210 Revision
Oct. 25, 2002 J1634_200210 Revision
April 1, 1999 J1634_199904 Revision
June 1, 1995 J1634_199506 Revision
May 1, 1993 J1634_199305 Revision