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BMS-4i

Propulsion & Power Systems

Description

The BMS-4i is a passive cell balancing battery management system designed for Li-Pol, Li-Ion, LiFePO4, and other cell types with voltage range of 1.8V to 5V per cell. It manages up to 4 cells in series with maximum system voltage of 70.4V, providing battery protection, temperature monitoring, capacity measurement, voltage and current analysis, and RS485/CAN communication. The system features passive balancing up to 100mA, very low power consumption (4µA in OFF mode), and firmware update capability.

About the Company

MGM COMPRO

MGM COMPRO specializes in designing and manufacturing electric propulsion systems, motors, controllers, battery systems, and advanced electronic components for various industries including aviation...

Core Information

Serving industries
Air Ground Maritime Surface Underwater Space Other
Product type
Power Component
Subtype
BMS (Battery Management System)
Name
BMS-4i
Product status
Available

Product Classification

Platform compatibility
UAV Multirotor UAV Fixed-Wing UAV VTOL UGV Wheeled UGV Tracked UGV Legged USV (Surface Vessel) UUV/ROV (Underwater) HAPS/Stratospheric CubeSat/SmallSat Other
Energy source
Battery Electric
Voltage class
48–100 V

Electrical Specifications

Control/communication protocols
CAN RS-485
Maximum voltage (V)
70

Mechanical & Physical

Materials
Other
Weight (g)
32
Length (mm)
80
Width (mm)
13
Height (mm)
70

Performance Metrics

Capacity (Ah)
100

Power Source Details

Charging connector type(s)
Other
BMS included
Battery chemistry
Li-ion (NMC/NCA)

Thermal & Environmental

Operating temperature max (°C)
50
Cooling method
None/Passive
Operating temperature min (°C)
-20

Interfaces & Integration

Power connector(s)
Other
Telemetry parameters
Voltage Current Temperature State of Charge
Data/Signal connector(s)
Other
Firmware updatable

Safety & Reliability

Protection features
Overvoltage Undervoltage Overtemperature

Compliance & Certifications

Certifications/Standards
CE RoHS

Commercial

Availability status
Available