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SAE J3356/1

Battery Management System: Surface Vehicle Battery SOC Technical Information Report

STANDARD published on 1.9.2026

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The information about the standard:

Designation standards: SAE J3356/1
Publication date standards: 1.9.2026
Country: American technical standard
Category: Technical standards SAE

Annotation of standard text SAE J3356/1 :


The purpose of this document is to expressly describe the method of calculating state of charge (SOC) related to the on-road traction battery management systems (BMS). This document will attempt to clearly educate and explain four key areas of BMS SOC: (1) basic SOC definition, (2) SOC calculation methods, (3) influence items for SOC, and (4) SOC warnings.

SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard