G PHYSICS
G01 MEASURING; TESTING
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31/00 Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
G01R31/36 Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
G01R31/382 Arrangements for monitoring battery or accumulator variables, e.g. SoC