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smart lithium battery management system
This intelligent Battery Management System (BMS) platform is designed for lithium battery packs, using low-side control and a common-port charge/discharge configuration. It supports 5–24S LiFePO4 (LFP) and 5–20S NMC battery packs, with 60A and 100A current classes. Continuous measurement, multi-level protection, SOC/SOH estimation, passive balancing, event logging and configurable communications support battery pack safety, state visibility and integration with electric vehicles and battery-swapping systems.
PRODUCT sERIES
kEY FEATURES
● Platform coverage: 5–24S LFP, 5–20S NMC and standard 60A/100A classes support a scalable pack portfolio.
● Multi-dimensional sensing: real-time cell voltage, pack voltage, charge/discharge current, MOS and external NTC temperatures.
● Layered protection: OV, UV, charge/discharge OC, short circuit, temperature, cell-delta and temperature-delta with delay and recovery logic.
● State estimation: coulomb counting plus OCV correction provides SOC, SOH, cycle count and operating-state data.
● Consistency management: configurable passive balancing controlled by cell-voltage and delta thresholds.
● System integration: Bluetooth/UART standard, with CAN, RS485, IoT, display and single-wire options by project.
● Operations ready: low power, charge wake-up, fault/event logging, heating control and optional OTA capability.
TYPICAL APPLICATION
Two-wheel Battery Swapping / Electric scooter / E-bike / Electric motorcycle
For delivery, shared mobility and managed swapping networks. SOC, temperature, fault and charge/discharge states can support battery identification, charging coordination and event traceability through the swap cabinet or IoT module.
•State Reporting
•Low Power and Cabinet/Cloud Coordination
•Validate Connector
•Protocol and Protection
Electric Three-Wheeler / Electric cargo tricycle / Electric delivery tricycle / Electric utility tricycle / Electric rickshaw
For parcel delivery, retail distribution, sanitation and short-haul cargo. Layered current and temperature protection addresses frequent starts, gradients and heavy loads, while logs and communication data support fleet maintenance.
•Address Continuous Load, Launch Peaks, Vibration and Heat
•Focus on Conductors, Cooling and Fleet Diagnostics
Low-Speed Electric Vehicles / Golf Cart / Utility Vehicle / Tourist Vehicle / Patrol Vehicle / Neighborhood Electric Vehicle
For patrol carts, low-speed utility vehicles, sightseeing vehicles and compact logistics vehicles. Optional CAN/RS485 can coordinate with displays or vehicle controllers and provide SOC, alarms and allowed-current information.
•Coordinate with Display/Controller
•Focus on CAN/RS485, EMC and Service Diagnostics
Q & A
1
What BMS Services Do We Provide for Lithium Battery Pack Projects?
We support BMS projects from requirement confirmation to mass production:
Requirement Confirmation → BMS Selection → Technical Review & Quotation → Sample Approval → Mass Production & Delivery.
For each project, we confirm the battery and application requirements, evaluate the BMS configuration, support sample testing and technical issue resolution, and proceed with production after final approval.
2
What Is a Lithium Battery BMS?
A Lithium Battery BMS (Battery Management System) is an electronic system designed to monitor and protect lithium battery packs during charging and discharging. It monitors key battery parameters such as cell voltage, current and temperature, while supporting battery protection and status management. This Smart BMS is designed for lithium battery packs used in light electric vehicles and other battery-powered applications. It supports LiFePO4 and NMC battery chemistries with configurable cell counts, current ratings and communication options.
3
What Battery Chemistries and Cell Configurations Does This BMS Support?
This BMS supports LiFePO4 (LFP) and NMC lithium battery chemistries. For LiFePO4 battery packs, the supported cell configuration is 5–24S, while NMC battery packs are supported from 5–20S.
The BMS platform can be configured according to the battery chemistry and cell configuration required for the specific battery pack.
4
What Applications Is This Lithium Battery BMS Designed For?
This lithium battery BMS is designed for battery packs used in light electric mobility and other low-voltage power applications. Typical applications include e-bikes, electric motorcycles, electric scooters, electric three-wheelers, low-speed electric vehicles and lithium battery packs.
The BMS can be configured according to the battery chemistry, cell count, current requirements, communication interface and mechanical requirements of the application.
5
Can the BMS Be Customized for Different Battery Pack Requirements?
Yes. The BMS platform can be configured for different battery pack requirements, including cell count, current rating, communication interface, wiring, connector configuration, mechanical structure and protection parameters.
Bluetooth and UART are available, while CAN and RS485 can be configured according to project requirements. For a specific battery pack or vehicle application, please contact us with your battery parameters and system requirements for further evaluation.
+86 28 86519933
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Chengdu Eshine Technology was established in 2009. It is an overall solution provider integrating brand agency of electronic components and technical support services.
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Email: info@eshine-cd.com
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