Products-BMSER

Passive Equalization (BMU)

64 Strings（BMU) 32 Strings（BMU) 24 Strings (BMU) 16 Strings (BMU) 12 Strings (BMU)

Battery Cluster Unit (BCU)

Battery Cluster Unit

Battery Array Unit (BAU)

Battery Array Unit

Air-cooled system

1500V/400A High Voltage Box 1500V/250A High Voltage Box 1000V/250A High Voltage Box

Liquid cooling system

1500V/350A High Voltage Box 1500V/250A High Voltage Box

Household BMS

BPU-D40 board

Two Wheeled Vehicle BMS

BPU-D20 series BPU-D10 series

Communication Back Power

BPU-D30 series

Solutions

BESS

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Commercial & Industrial Energy Storage

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Residential Energy Storage

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Electric Vehicle

Details

BESS

Commercial & Industrial Energy Storage

Residential Energy Storage

Electric Vehicle

Case

Support

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About BMSER

About BMSER Corporater Culture History Eco-Partners

Products

BPU-D30 series BPU-D20 series BPU-D10 series BPU-D40 board 1500V/350A High Voltage Box 1500V/250A High Voltage Box 1500V/400A High Voltage Box 1500V/250A High Voltage Box 1000V/250A High Voltage Box 64 Strings（BMU) 32 Strings（BMU) 24 Strings (BMU) 16 Strings (BMU) 12 Strings (BMU) Battery Array Unit Battery Cluster Unit 12 Strings (BMU) 16 Strings (BMU) 24 Strings (BMU) 52 Strings (BMU)

Solutions

BESS Commercial & Industrial Energy Storage Residential Energy Storage Electric Vehicle

Case

Support

News

About BMSER

64 Strings（BMU)

Max 64-str voltage sampling
Max 32-str temperature sampling
Max 8pcs BMU can be connected via isoSPI

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Features

Passive balancing

support max 120mA balancing current

isoSPI

communication: BMU transferring data to BCU via isoSPI, max 32pcs BMU can be connected in one isoSPI link

RS-485

communication: BMU and BCU communication, can be used for updating, fan control/diagnose, address auto assign, etc

Authentication

All plastic components comply with UL-94V0 flame retardant grade Comply with 1500V safety regulations and support 1500V system UL certification

Passive balancing

support max 120mA balancing current

isoSPI

communication: BMU transferring data to BCU via isoSPI, max 32pcs BMU can be connected in one isoSPI link

RS-485

communication: BMU and BCU communication, can be used for updating, fan control/diagnose, address auto assign, etc

Authentication

All plastic components comply with UL-94V0 flame retardant grade Comply with 1500V safety regulations and support 1500V system UL certification

Product Parameters

	BMU-B30-12-204	BMU-B30-16-504	BMU-B30-24-204	BMU-B30-32-508	BMU-B30-52-508	BMU-B30-64-504
Max cell string	12	16	24	32	52	64
Cell voltage sampling range	0-5V
Voltage sampling point	12	16	24	32	52	64
Temperature sampling point	14	18	28	36	52	52
Balance	Passive: 80mA	Passive: 120mA	Passive: 80mA	Passive: 100mA		Passive: 120mA
Fan	Support max 2-ch fan			Support max 1-ch fan
Nominal working voltage	1500V
Working power	240mW
Isolation	100MΩ
Communication	RS-485, isoSPI 2-ch HSD output 2-ch I/O output and input			RS-485, isoSPI 1-ch HSD output 1-ch I/O output and input
Certification	UL94-V0 Meet UL certification