Custom BMS Battery Pack Manufacturer & Safety Control Systems

High-Precision Intelligent Battery Management Systems (BMS) Engineered for Industry-Leading Safety, Global Regulatory Compliance, and Uncompromised Structural Longevity.

Featured Lithium Battery Protection Boards & Power Systems (Part I)

LTW 23S 60A lithium battery protection board with CAN/Bluetooth/heating

Wholesale LTW 23S 60A lithium battery protection board with CAN/Bluetooth/heating dedicated intelligent BMS Factories, Company

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500W Portable Power Bank with 1 kWh Capacity

Custom 500W Portable Power Bank with 1 kWh Capacity, China Supplier Factory, 3.2V PV Bidirectional Inverter for Mobile Energy Storage Manufacturer, Company

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20S 60A Lithium Battery Protection Board

Wholesale 20S 60A Lithium Battery Protection Board with Bluetooth, BMS, and Heating - China Suppliers & Factory Manufacturer, Factory

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LTWSmart Micro Inverter 96.5% Efficiency

Custom LTWSmart Micro Inverter from China Factory | 96.5% Efficiency, IP67 Weatherproof, Ideal for Home Balconies and Suppliers Manufacturer, Supplier

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LTW 10S 20A Lithium Battery Protection Board

Wholesale China LTW 10S 20A Lithium Battery Protection Board with CAN Communication - Suppliers & Factory Direct Suppliers, Company

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OEM LTWSmart Micro Inverter MINV500S

OEM LTWSmart Micro Inverter MINV500S | IP67 Weatherproof, 96.5% Efficiency – Trusted China Suppliers & Factory Quality Manufacturers, Supplier

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OEM LTWSmart Micro Inverter IP67 All-Weather

OEM LTWSmart Micro Inverter from China Factory | IP67 All-Weather Safety, 96.5% Efficiency, Trusted Suppliers Supplier, Suppliers

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OEM 500W Portable Power Bank Bidirectional Inverter

OEM 500W Portable Power Bank with Bidirectional Inverter - 1 kWh Energy Storage from China Suppliers & Factory Manufacturer, Companies

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Architecting High-Precision Custom BMS: The Foundation of Modern Energy Infrastructure

In the rapidly evolving global transition to electrification, a custom Battery Management System (BMS) acts as the brain of the battery pack, controlling safety, efficiency, and operational lifespan. As a premier custom BMS battery pack manufacturer, Shenzhen Litongwei Electronic Technology Co., Ltd. delivers customized battery management solutions that go beyond simple voltage protection. We develop smart safety control architectures that protect lithium-iron phosphate (LiFePO4), lithium nickel manganese cobalt (NMC), and other chemistry configurations against cell degradation, thermal issues, and early system failure.

Modern commercial and industrial energy applications face major challenges. Systems must operate under variable thermal loads, deliver stable energy metrics, and integrate with complex industrial communication protocols like CANbus, RS485, and Modbus. Standard, off-the-shelf protection boards often fail to provide the customizable features needed for high-voltage, high-current, or specialized applications. Our custom BMS manufacturing process focuses on exact hardware matching, precise firmware tuning, and structural reliability to keep your systems running safely and efficiently.

About Litongwei Electronic Technology

Established in 2005, Shenzhen Litongwei Electronic Technology Co., Ltd. is a national high-tech enterprise specializing in the R&D and manufacturing of lithium-ion safety control systems. Over nearly two decades of focus on smart power protection, our products have become widely used in 3C digital devices, electric scooters, electric bicycles, motorcycles, tricycles, golf carts, automated guided vehicles (AGVs), agricultural and delivery drones, and professional power tools.

Our company focuses on solving your technical, cost, and operational challenges. We achieve this by providing intellectual property protection through patent collaboration to prevent infringement, industry-standard shared boards to reduce costs and improve efficiency, full-process traceability for strict quality control, and remote maintenance via cloud platform support. By choosing Litongwei, you receive top-tier products and dedicated services.

Litongwei BMS Assembly Line
BMS R&D Lab Testing
High-Precision SMT Facility

Macro-Industry Solutions: Empowering Global Decarbonization

The shift toward clean energy requires robust and reliable battery storage solutions. From micro-mobility fleets to large-scale grid energy storage, the quality of your BMS directly impacts the safety and performance of your entire system. Litongwei provides specialized industry solutions to address these clean energy demands:

Commercial & Smart Mobility
We supply high-current BMS platforms for AGVs, electric utility carts, golf carts, and e-bikes. These feature robust vibration resistance, dynamic load handling, and real-time state-of-health (SOH) reporting via Bluetooth and CAN communications.
Micro-Grid & Balcony Solar
Optimized for balcony energy storage systems, portable power banks, and micro-inverters. We integrate bidirectional inverter protection and intelligent thermal management to maintain high round-trip energy efficiency (up to 96.5%).
Industrial Automation & Robotics
Engineered for high reliability under sudden load changes. Includes active cell balancing, advanced overcurrent auto-recovery logic, and direct integration with PLCs and host controllers via standard Modbus networks.
Litongwei Electronics Green Energy Vision

Corporate Vision & Philosophy

At Litongwei, we believe that technological innovation is the foundation of long-term sustainable growth. In all aspects of our production and operations, we adhere to the philosophy of "Technology as King, Efficient Service."

Our vision is to become a leading global provider of intelligent green energy management solutions. By designing and manufacturing reliable, high-efficiency BMS systems, we contribute to global environmental sustainability. Let us help you start your next energy-saving project with Litongwei.

Advanced Smart Manufacturing & R&D Scale

We ensure reliability across all production runs by maintaining complete vertical integration. By handling all steps in-house—from research and circuit design to SMT assembly and quality testing—we maintain strict quality control and speed up turnaround times. Our production and development scale highlights our capacity:

40,000㎡
Dual Manufacturing Bases
Our facility in Shenzhen spans over 13,000 square meters of independent manufacturing space, supported by an additional 27,000 square meter factory in Huangjiang, Dongguan.
15M+ Units
Monthly Manufacturing Output
Equipped with 24 high-speed pick-and-place assembly lines and 12 advanced PCBA lines, we produce over 15 million high-precision units every month to meet bulk global demand.
10% +
R&D Investment Reinvestment
To drive safety innovations, Litongwei has consistently reinvested more than 10% of its total annual sales revenue back into our R&D departments for five consecutive years.

Intellectual Property & Patent Protection

Litongwei holds more than 100 patents in the lithium-ion protection board and battery management industry, covering circuit architecture, testing programs, and automated assembly technologies. We work closely with our clients to provide enhanced IP protection, mitigating infringement risks in import/export markets worldwide.

Corporate Development Timeline (2005 - 2025)

For nearly two decades, Litongwei has evolved from a specialized digital BMS workshop into an industry-leading provider of smart battery electronics, serving top-tier partners across the globe.

2005
2005 - 2010
Technology-driven growth. In 2005, the company commenced R&D and manufacturing of digital Battery Management Systems (BMS). By 2006, it expanded into power battery management system development. ISO9001 certification was obtained in 2007, followed by ISO14001 certification in 2009.
2010
2010 - 2015
Technological advancement. The company secured 8 utility model and design patents in 2011, while expanding its mobile power bank manufacturing operations. The Litongwei Technology Research Institute was established in 2012. It received the Del New Energy Quality Excellence Award in 2014 and earned the Gold Partner title from Gaogong Lithium Battery in 2015.
2015
2015 - 2020
Digital transformation. The company upgraded its ISO 9001 and ISO14001 certifications in 2016, achieved IATF16949 certification in 2018, and implemented an MES system for warehouse automation. It was awarded the Guangdong Battery Industry Association Innovation Award in 2019 and recognized as a leading brand in lithium battery protection board technology for two-wheeled vehicles in 2020.
2020
2020 - 2025
Smart Manufacturing+. Litongwei Electronics continues to innovate, deepening its technological expertise while embracing IoT and Industry 4.0. Through its Smart Manufacturing+ strategy, the company drives industrial transformation and upgrading.

Local Support & Global Compliance Standards

Operating in international markets requires compliance with strict safety and performance standards. Litongwei's custom BMS solutions are designed to help you meet local regulatory requirements, ensuring smooth customs processing and hassle-free system validation.

  • IATF 16949 & ISO 9001 Certified: Our production lines follow automotive-grade quality standards, which ensures consistent reliability across large manufacturing batches.
  • Global Testing Compatibility: We design our custom protection circuits to comply with UN38.3, UL991, UL1973, CE-LVD, and FCC certifications, making it easier to certify your final battery packs.
  • IoT Integration: Our systems offer remote cloud management and real-time alerts. This lets engineers run diagnostics and monitor packs off-site, reducing overall maintenance costs.

Full Manufacturing Traceability

Using our integrated MES (Manufacturing Execution System), each PCBA is stamped with a unique trace code. This logs the complete history of component placements, SMT oven parameters, and automated testing results. Should an issue arise, we can quickly trace it back to the batch level to protect your brand's reputation.

Technology Roadmap: AI-Driven Diagnostics & Solid-State Support

As battery technology advances, BMS design must adapt to new chemistries and system demands. Litongwei's R&D is focused on next-generation architectures, helping you future-proof your product lines:

1. Adaptive SoC/SoH Tracking
We are incorporating Extended Kalman Filtering (EKF) and neural network algorithms into our firmware. This allows for real-time tracking of State-of-Charge (SoC) and State-of-Health (SoH) with less than 2% deviation over the battery life.
2. Solid-State Battery BMS
Solid-state batteries require precise pressure monitoring and specific charging profiles. We are developing customized algorithms to meet the safety requirements of future solid-state cells.
3. Integrated Active Balancing
To maximize capacity in larger battery packs, our engineering team is developing active-balancing modules. These shift energy from high to low cells rather than dissipating it as heat, improving efficiency.

Strategic Global Industry Partners

Over the years, Litongwei has established long-term collaborations with prominent brands and high-quality cell manufacturers. Our partners include Huawei, Lenovo, Desay, Guoguang, Sunwoda, Eve Energy, Guoxuan High-tech, and other leading industry clients.

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BMS Technology & Manufacturing FAQ

Explore answers to common technical, design, and manufacturing questions when sourcing a custom BMS for industrial and commercial projects.

What is the difference between passive and active cell balancing, and how does Litongwei implement them?
Passive balancing dissipates excess energy from higher-voltage cells as heat through a resistor. This is cost-effective and highly reliable for smaller battery packs. Active balancing transfers energy from stronger cells to weaker ones, which improves efficiency and reduces heat generation. Litongwei designs both architectures based on your budget, thermal limits, and application needs.
Which communication protocols are supported by Litongwei intelligent BMS platforms?
Our intelligent boards support multiple communication standards, including CANbus (for EV and industrial setups), RS485 (for telecommunications and home storage), Bluetooth (for smartphone app monitoring), and UART/SMBus (for specialized consumer electronics).
How does Litongwei protect battery packs during extreme cold or hot temperatures?
Our protection boards feature multi-channel NTC thermistors. These monitor cell and power component temperatures. We also supply custom BMS models with integrated heating film control. This warms the cells during sub-zero temperatures before charging begins, preventing lithium plating and degradation.
What measures are taken to ensure intellectual property protection and avoid patent infringement?
With over 100 patents in circuit programs and automated testing, we design custom layouts to avoid infringement of competitor patents. We also sign non-disclosure agreements (NDAs) to protect your proprietary schematics, firmware configurations, and structural designs.

Featured Lithium Battery Protection Boards & Power Systems (Part II)

Wholesale LTW 10S 20A Lithium Battery Protection Board BMS

Wholesale China LTW 10S 20A Lithium Battery Protection Board with CAN Communication - Reliable BMS from Top Suppliers and Factory Manufacturer, Factory

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Wholesale 30A Lithium Battery Protection Board BMS

Wholesale 30A Lithium Battery Protection Board LTW 13S - China Suppliers and Factory, Low-Power Intelligent BMS Suppliers, Factory

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Wholesale 30A Lithium Battery Protection Board LTW 13S

Wholesale 30A Lithium Battery Protection Board LTW 13S - China Suppliers Factory for High-Performance BMS Solutions Manufacturer, Manufacturers

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Custom LTWSmart Micro Inverter IP67 96.5% Efficiency

Custom LTWSmart Micro Inverter from China Suppliers | IP67 All-Weather, 96.5% Efficiency, Ideal for Home Balconies, Factory Direct Manufacturers, Companies

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Custom 30A Lithium Battery Protection Board 13S

Custom 30A Lithium Battery Protection Board 13S - Intelligent BMS from China Suppliers & Factory - Low Power, Auto Discharge Off Manufacturer, Factory

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Custom Cool LED Bluetooth Speaker Waist Bag

Custom Cool LED Bluetooth Speaker Waist Bag - China Suppliers Factory for Outdoor Cycling and Storage Solution Manufacturers, Factory

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Custom 4G & GPS Positioning Suppliers

Custom 4G & GPS Positioning Suppliers, Company

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OEM China Suppliers Factory LTW 20S 60A

OEM China Suppliers Factory LTW 20S 60A Lithium Battery Protection Board with Bluetooth, Serial Communication, and Heating BMS Manufacturers, Factories

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