BMW battery system

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1.MinE

Battery pack: 35kWh (29kWh available)

Voltage: 390V

Thermal Management: Air Cooling

Number of monomers: 5088 monomers / 42 modules

Maximum charging current: input 230/50A, conversion is about 30A.

Supplier: E-One Moli Energy Corp

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Source:MINI E PROGRAM

2.ACTIVE E

Battery pack: 32kWh

Voltage: 255V

Thermal Management: Liquid Cooling

Number of monomers: 192 monomer 40Ah/25 module

Peak current: 400A (motor is 125/170KW)

Maximum charging current: Input 230/32A.

Weight: 450 kg

Supplier: SB LiMotive

Data from: Active E Technical Data

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Concept map by Real-World Experience with Electric Driving

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The layout is from the BMW ActiveE Emergency Responder Guide

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Physical map by VORSTELLUNGEN UND ERWARTUNGEN AUS SICHT DER AUTOMOBILINDUSTRIE

Battery Management System (Preh)

1.Passive Balancing

2. Functional division

Cell Supervising Sensor Units (CSSU) :monitor the cell voltage and temperature

Battery Management Unit (BMU): process the collected data

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