Wholesale Power Supplies Manufacturers & Factory

Providing custom, ultra-efficient industrial power supply management systems and advanced lithium battery safety solutions tailored for global commercial enterprises.

2005
Established Year
40k+ ㎡
Total Factory Area
15M+
Monthly PCBA Capacity
100+
Patents Held

Global Enterprise Power Supply Procurement Landscape

Analyzing key supply chain considerations, risk mitigation strategies, and the demand for smarter control hardware.

Industrial organizations and hardware engineering departments face evolving complexities when sourcing wholesale power supplies and battery safety systems. Factors such as electrical conversion loss, heat dissipation control, communication protocols (e.g., CAN bus, Bluetooth), and certification compliance directly dictate the success of deployment. For OEM/ODM buyers, partnering with an established manufacturer is not merely about finding a vendor, but securing collaborative R&D engineering that guarantees long-term supply chain integrity.

By prioritizing Information Gain and technical clarity, procurement professionals can bypass the risks associated with generic distributors. True factories offer deep customization capability, transparent component traceability (MES integration), and strict compliance structures. Litongwei addresses these critical issues directly, delivering design-level security to prevent trademark, design, and hardware schematic infringement.

Enterprise Risk Management

From industrial-grade protection algorithms to hardware balancing mechanisms, our safety systems guarantee compliance with international safety protocols, protecting your brand from field failures and product liability claims.

Macro-Industry Power Solutions

High-efficiency conversion and safety control systems tailored across specialized industries.

Micro-Inverters & Clean Energy

Integrating balcony and home solar grids requires maximum power output with minimal footprint. Our IP67-rated micro-inverters offer 96.5% peak efficiency, surviving harsh outdoor conditions while providing real-time production analytics.

E-Mobility (BMS Solutions)

Electric scooters, golf carts, and AGVs require reliable battery protection. Our intelligent BMS series (from 13S to 23S configurations, carrying up to 120A continuous currents) regulates balancing, temperature, and overcharge thresholds.

Telecom & Storage Backup

Data centers and remote base stations demand uninterruptible backup structures. We manufacture optimized low-power protection boards with built-in NTC thermistors and communication capabilities to guarantee zero-downtime operations.

About Shenzhen Litongwei Electronic Technology Co., Ltd.

Established in 2005, Litongwei is a designated national high-tech enterprise specializing in the comprehensive R&D and production of advanced lithium-ion safety control systems. We focus on bridging the gap between design concepts and large-scale manufacturing, delivering performance-engineered power management solutions.

With an independent production facility footprint of over 13,000 square meters in Shenzhen alongside a 27,000 square meter site in Dongguan Huangjiang, we operate 24 high-speed pick-and-place placement lines and 12 automated PCBA production lines, boasting a monthly throughput exceeding 15 million units.

For more than five consecutive years, our direct investment back into R&D has exceeded 10% of total revenue. As a result, Litongwei holds over 100 core patents in safety controls, programming, and system automation.

Corporate Vision

Litongwei has always adhered to the philosophy of "Technology as King, Efficient Service" in all aspects of production and operations. Our vision is to become a leading global provider of intelligent green energy management solutions, embracing environmental sustainability. Start your journey with LITONGWEI!

Litongwei Lab Production Line

Our Evolution & Development Timeline

A journey defined by pioneering research, system integration, and advanced electronics manufacturing.

2005 - 2010

Inception & Infrastructure Groundwork

In 2005, the company commenced R&D and manufacturing of digital Battery Management Systems (BMS). By 2006, operations expanded into power battery management system development. Litongwei secured its ISO9001 quality management certification in 2007 and ISO14001 environmental management certification in 2009, standardizing its core industrial framework.

2010 - 2015

Patent Acceleration & Institutional R&D

During this period of intense technological advancement, the company secured 8 utility model and design patents in 2011 while expanding its portable power bank manufacturing lines. The Litongwei Technology Research Institute was founded in 2012. We were honored with the Del New Energy Quality Excellence Award in 2014 and earned the prestigious Gold Partner title from Gaogong Lithium Battery in 2015.

2015 - 2020

Digital Transformation & Smart Factory Integration

Upgraded to the newest ISO9001 and ISO14001 standards in 2016. Achieved IATF16949 automotive-grade quality certification in 2018, rolling out our proprietary MES (Manufacturing Execution System) for complete trace-control. Recognized with the Guangdong Battery Industry Association Innovation Award in 2019, and named a leading brand in lithium battery protection board technology in 2020.

2020 - 2025

Smart Manufacturing+ & IoT Solutions

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, designing Bluetooth/CAN communication systems to support remote cloud management platforms.

Enterprise Partnerships

Litongwei’s components are trusted by top-tier electronics, communications, and power storage enterprises globally.

Collaborating for years with industry giants including Huawei, Lenovo, Desay, Guoguang, Sunwoda, Eve Energy, and Guoxuan High-tech.

Technology Roadmap & Engineering Innovation

Pioneering the next generation of energy intelligence and safety controls.

1. Advanced Micro-Inverter Technology

Future iterations of our smart micro-inverter line will incorporate Gallium Nitride (GaN) power switches. By swapping traditional silicon out for GaN, we aim to push current electrical conversion efficiency from 96.5% to over 98%, while decreasing the overall chassis size by 30%. This advancement reduces installation footprint constraints and enhances heat dissipation profiles.

2. Active Balancing BMS Algorithms

Traditional passive balancing bleeds off excess energy as heat, lowering overall system efficiency. Our engineering research is focused on hardware dynamic active balancing, transferring charge from higher capacity cells to weaker cells in real-time. This increases the lifetime of Li-ion battery packs by up to 20% and reduces cell degradation.

3. IoT Remote System Configuration

Using integrated communication chips (CAN, Bluetooth, and RS485), our future systems will connect directly with IoT cloud platforms. Enterprise operators can remotely run OTA (Over-The-Air) firmware updates, configure parameters, and monitor thermal performance without having to physically access the battery compartments.

4. Heating and Thermal Management

Operating lithium battery systems in sub-zero environments results in rapid performance loss. We have engineered intelligent heating BMS boards that utilize auxiliary heating elements to safely pre-heat batteries during freezing charge states. This guarantees system safety and avoids lithium plating failures.

Industrial Compliance & Quality Management

Meeting international quality and reliability standards for enterprise applications.

System Safety Standards

Our production facilities maintain comprehensive testing procedures matching global standards, including UL94-V0 flammability ratings, IEC 62133 battery safety criteria, CE certification, and RoHS directive compliance.

Total Traceability

Through our integrated MES, every single PCBA unit is assigned a unique tracking identifier. This system logs all component batches, placement data, and test records, ensuring prompt diagnostics if field issues occur.

IP Protection Protocol

We work closely with clients to protect intellectual property through patent sharing and technical collaborations. This ensures that customized circuit architectures and proprietary software remain protected.

Frequently Asked Questions

Key technical and procurement answers for project managers and system engineers.

Q. What separates Litongwei's BMS boards from standard generic alternatives?

Unlike generic protection boards, Litongwei integrates customized firmware, on-board temperature sensors (NTC), and high-current tolerance logic. Additionally, our trace-control MES records manufacturing and component variables for every batch, offering true hardware reliability.

Q. How does your micro-inverter maintain 96.5% conversion efficiency?

Our micro-inverters use advanced MPPT (Maximum Power Point Tracking) algorithms combined with high-grade, low-resistance MOS switches. This design minimizes internal resistance losses, optimizing power generation profiles in balcony and home solar installations.

Q. Can the BMS board be customized for high-voltage setups?

Yes, we design protection platforms accommodating configurations up to 23S (for Li-ion/LiFePO4 chemistries). Custom limits for overcharge, over-discharge, and current cut-off can be pre-configured during assembly or adjusted via communication tools.

Q. What protocol interfaces are supported for system integration?

We support standard communication protocols including CAN bus, RS485, and Bluetooth. These options allow for seamless data integration with vehicle central processing units, smart mobile applications, and remote telemetry databases.

Q. How do you manage product delivery and quality assurance?

With over 40,000 square meters of production space across our Shenzhen and Dongguan locations, we output up to 15 million PCBAs monthly. All production stages adhere strictly to ISO9001 and IATF16949 standards, including AOI and functional circuit test reviews.