OEM Small Inverter And Battery Manufacturers & Company

High-Performance Battery Management Systems (BMS), Customized Bidirectional Portable Inverters, and Comprehensive Energy Storage Architectures for Global Industries.

Global Commercial & Industrial Energy Solutions

Deep dive into the paradigm shift in decentralized energy architectures, small inverters, and high-safety battery networks.

The global transition to decentralized clean energy has accelerated the demand for optimized, low-footprint energy conversion and storage platforms. In this macro-industrial landscape, the convergence of small inverter technologies and intelligent lithium-ion battery management systems (BMS) acts as the cornerstone of structural energy security. Urban mobility infrastructures, portable telecom nodes, AGVs (Automated Guided Vehicles), medical backup grids, and light electric vehicles (LEVs) all rely on precise power control and reliable safety safety boards. Uncontrolled high C-rate discharges, thermal runaway, and electrical overstress are critical operational issues that modern engineers must systematically address.

As a leading national high-tech enterprise, Shenzhen Litongwei Electronic Technology Co., Ltd. has stood at the center of this industry since 2005, manufacturing and deploying intelligent protection units that prevent failures before they occur. The integration of high-frequency bidirectional inverters with intelligent, cloud-connected lithium-ion battery packs solves the historically difficult trade-off between power conversion efficiency, device weight, and round-trip life cycle capacity.

Grid-Tie Micro Inverters

Maximizing local generation with ultra-high conversion efficiencies (up to 96.5% peak performance) using IP67-rated all-weather microinverters (MINV500S series).

Custom Battery Management

Intelligent BMS from 13S to 23S architectures equipped with dual-loop temperature sensors (NTC), high-resolution Bluetooth telemetry, and active balancing.

Bidirectional Power Systems

Integrating high-efficiency chargers and dual-conversion portable power storage systems up to 1kWh capacity, simplifying off-grid operations.

About Shenzhen Litongwei Electronic Technology Co., Ltd.

Established in 2005, Shenzhen Litongwei Electronic Technology Co., Ltd. is a premier national high-tech enterprise specializing in the R&D and manufacturing of lithium-ion safety control systems. Over nearly two decades of engineering excellence, our products have become widely used in 3C digital devices, electric scooters, bicycles, motorcycles, tricycles, golf carts, AGVs, drones, and heavy-duty power tools.

We provide comprehensive solutions to technical, cost, and operational challenges. Litongwei's value proposition is built on four core pillars:

  • Intellectual Property Protection: Collaborative patent sharing to prevent cross-border design infringement.
  • Industry-Standard Shared Boards: Standardized topologies that drive significant cost reductions and manufacturing efficiency.
  • Full-Process Traceability: Cloud-integrated MES tracking ensuring absolute manufacturing accountability.
  • Remote Maintenance: Cloud platform support for real-time telemetry diagnostics and over-the-air firmware updates.
Litongwei Electronics R&D Lab and Production Facility
15M+
Monthly PCBA Units
40,000㎡
Manufacturing Footprint
10%
R&D Revenue Reinvested
100+
Patented Technologies

Product Technical Matrix & Parameters

A comparative engineering overview of Litongwei's core protection and energy conversion systems.

Model / Product Series Configuration / Specs Core Functionality Protection Features Key Applications
LTW 20S 100A BMS 20S Lithium, 100A Continuous NTC Thermal Management, Dual Comm Ports Overcharge, Overdischarge, Short Circuit E-Motorcycles, Industrial Golf Carts, AGVs
Custom 20S 200A BMS 20S Lithium, 200A, 4.3" LCD Integrated Bluetooth Display, Real-time SOC Cell-by-Cell Balancing, Thermal Cutoff Heavy Duty Material Handling, AGVs
LTWSmart MINV500S 500W Output, IP67 Enclosure 96.5% Peak Efficiency Microinverter Grid-tie Over/Under Voltage, Islanding Protection Residential Solar, Distributed Grid Backup
Custom Bidirectional 500W 500W Inverter / 1kWh Battery Dual-Directional Direct AC Charging Integrated Overload & Surge Suppression Mobile Power Banks, Clean Energy Hubs
LTW 13S 30A BMS 13S Lithium, 30A Continuous Shared-Board Cost Optimized Topology Standard Battery Safe Control Management E-Bicycles, Smart 3C Digital Devices, Tools

Corporate Vision & Development Journey

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 provider of intelligent green energy management solutions, embracing environmental sustainability. Start with LITONGWEI!

Litongwei Electronics Green Energy Vision

Pioneering Sustainable Power Systems

Our commitment goes beyond traditional manufacturing. By designing smart battery protection boards (BMS) and efficient micro-inverter architectures, we ensure that renewable energy is converted with minimal losses and stored under maximum protection conditions. Our global infrastructure spans multiple high-capacity SMT lines and testing stations to bring this vision to life.

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.

Why Partner With Litongwei Electronics

We deploy advanced industrial infrastructure and robust R&D methodologies to deliver reliable power control technologies.

Manufacturing Footprint

Our Shenzhen headquarters features over 13,000 square meters of independent factory space, while our Dongguan Huangjiang campus spans 27,000 square meters. Equipped with 24 high-speed SMT pick-and-place lines and 12 dedicated PCBA lines, our monthly throughput surpasses 15 million units.

Aggressive R&D Reinvestment

To sustain technological leadership, Litongwei systematically reinvests more than 10% of total sales revenue into core R&D operations year-over-year. This capital funds advanced testing hardware and allows us to pioneer next-generation active-balancing power electronics.

IP Protection & Design Integrity

We hold over 100 patents in the lithium-ion battery protection board industry, alongside multiple patents in testing programs and automated assembly. We collaborate with OEM clients to mitigate intellectual property infringement risks globally.

Our Strategic Industry Partners

We work closely with the world's most recognizable brands to build robust clean-energy supply chains.

Regulatory Compliance & Future Engineering Roadmap

Analyzing our technical direction and compliance standards to support global deployment.

Operating as a reliable OEM partner requires adhering to international safety and compatibility standards. Litongwei's power systems and protection topologies are systematically tested to comply with certifications including IATF 16949 (Automotive Quality Management System), CE, FCC, RoHS, UN38.3, UL 1973, and IEC 62619. This extensive compliance program ensures that our lithium-ion battery management systems are ready for immediate integration into vehicles and grids globally.

Localized Applications & Deployment

Our BMS boards are optimized for localized deployment in diverse settings. For example, our 20S and 23S high-current protection systems are optimized for dense urban environments in East Asia and Europe, where e-scooters and utility fleets operate under strict local safety regulations. Similarly, the LTWSmart IP67 micro-inverters are engineered to withstand the thermal cycles of North American and Australian residential micro-grids, delivering reliable power conversion in harsh ambient temperatures.

Additionally, we design niche lifestyle solutions like our integrated LED Bluetooth speaker bags for outdoor cycling, ensuring that even recreational accessories benefit from robust lithium management and battery protection designs.

The 2025 - 2030 Technology Roadmap

Looking ahead, Litongwei's technology roadmap focuses on three main developments:

  • Solid-State Battery Integration: Developing BMS algorithms tailored to the unique voltage profiles and mechanical characteristics of solid-state chemistries.
  • GaN-Based Inverter Power Stages: Integrating Gallium Nitride semiconductors to shrink bidirectional inverter sizes while boosting peak thermal efficiency beyond 98%.
  • AI-Powered Predictive Diagnostics: Introducing machine-learning models to analyze battery aging trends, helping fleet operators anticipate pack issues before they cause downtime.

Frequently Asked Questions (FAQ)

Technical answers to help engineers, procurement officers, and clean-energy designers make informed decisions.

What is the purpose of NTC temperature sensors on Litongwei protection boards?
NTC (Negative Temperature Coefficient) thermistors monitor the battery pack's thermal condition in real time. Our intelligent BMS uses multiple NTC sensors to track cell temperatures. If temperatures exceed preset safety limits during high C-rate charging or discharging, the BMS cuts off the current loop to prevent thermal runaway and protect the cells.
How does the LTWSmart MINV500S microinverter achieve 96.5% peak efficiency?
We achieve 96.5% peak efficiency by using high-frequency soft-switching topologies and low-RDS(on) power MOSFETs. This design minimizes switching losses, while an optimized magnetic core transformer reduces core losses during high-voltage conversion.
What advantages do Litongwei's "shared boards" offer OEM clients?
Our shared-board program offers pre-engineered, standardized PCB layouts for popular series configurations like 13S, 20S, and 23S. By leveraging these shared designs, clients save on customized NRE (Non-Recurring Engineering) costs, reduce design cycle times, and benefit from bulk-rate component pricing.
Does Litongwei support digital integration like Bluetooth and LCD displays?
Yes, we offer premium protection systems featuring Bluetooth communications and 4.3-inch smart LCD screens. Users can monitor pack status, balance individual cell voltages, and view real-time state of charge (SOC) and safety alerts via mobile app or built-in display.