1. Technical specifications

Last modified by Admin on 2026/09/21 13:29

Technical specifications

1771596306386-327.png

BMS Logic 18S represents the third generation of measuring modules that takes the best from BMS Logic 18 and offers better balancing algorithms and smaller size. It determines voltage and temperature of the battery cells and does passive balancing of the cells on a command from the BMS controller.

Specifications

ParameterValue
Supply voltage, V5.0 ± 0.5
Current consumption @5 V, mA (maximum)4
Cell stack voltage, V16 to 78
Power consumption @Cell stack, mW (maximum)175
Number of cells6 to 18
Balancing current @4.2 V on a cell, mA (max)460
Cell voltage measurement range, V0 to 5
Cell voltage measurement error, V (maximum)±0.004
Cell temperature measurement error, °С (maximum)±2
Dimensions (length × width × height), mm145 × 62 × 16
Weight, g160 ± 20
Operating temperature range, ºС-40 to +85
Rated insulation voltage between communication lines and cell stack lines, AC 50Hz, 1 minute, VRMS (minimum)3500
Headers X1-X4 typeHirose ZE05

Overall and mounting dimensions

1771596350102-623.png