Technology Reigns Supreme, Efficient Service
Industry-leading BMS protection boards engineered for smartphone and tablet OEM/ODM manufacturers seeking reliability, safety, and intelligent power management.




The global smartphone and tablet market continues to be one of the most demanding sectors for lithium-ion battery charger modules. With over 1.4 billion smartphones shipped annually and tablet shipments exceeding 160 million units per year, the need for high-performance, compact, and intelligent BMS (Battery Management System) solutions has never been greater.
For OEM and ODM manufacturers, sourcing the right lithium ion battery charger module is a critical supply-chain decision. The module must balance energy density, charging speed, thermal management, and safety compliance — all while meeting tight cost targets and production volumes that can reach tens of millions of units per year.
Modern charger modules for smartphones and tablets are no longer simple protection circuits. They integrate multi-cell balancing, NTC temperature sensing, communication interfaces (CAN, Bluetooth, UART), and even heating functions for low-temperature environments — making them true intelligent power management platforms.
Precision cell equalization for extended pack lifespan in high-density mobile devices.
Bluetooth & CAN bus integration for real-time diagnostics and OTA firmware updates.
NTC sensing and active heating modules ensuring safe operation across -20°C to 60°C.
ISO9001, ISO14001, IATF16949 certified manufacturing with full-process traceability.
The technology landscape is evolving rapidly. Here are the most impactful trends shaping the future of BMS for smartphone and tablet manufacturers.
Flagship smartphones now support 120W–240W fast charging protocols. Charger modules must handle high current delivery with microsecond-level protection response, preventing thermal runaway while maintaining cycle life. Gallium Nitride (GaN) integration and multi-phase charging algorithms are becoming standard requirements for Tier-1 OEM suppliers.
Machine learning algorithms embedded in modern BMS chips can predict battery degradation, optimize charging curves in real time, and adapt to individual user behavior patterns. This shift from reactive to predictive battery management is redefining what manufacturers expect from their charger module partners — making intelligent BMS a competitive differentiator.
With Bluetooth 5.0 and CAN bus interfaces now standard in advanced modules, manufacturers can offer cloud-based battery health monitoring, remote diagnostics, and over-the-air parameter updates. This connectivity transforms the charger module from a hardware component into a data-generating asset that supports after-sales service and warranty management.
Regulatory pressure from the EU Battery Regulation, China's GB standards, and global ESG frameworks is pushing manufacturers to adopt ISO14001-certified production processes, use RoHS-compliant materials, and implement full lifecycle traceability. Charger module suppliers that offer documented sustainability credentials are gaining preference in global procurement decisions.
As smartphones approach sub-7mm thickness and tablets demand increasingly compact battery assemblies, charger modules must shrink without compromising functionality. Advanced PCB stacking, chip-scale packaging, and SoC-level BMS integration are enabling protection boards to fit into spaces previously considered impossible, opening new industrial design possibilities.
Leading BMS manufacturers are integrating MES (Manufacturing Execution Systems), automated optical inspection (AOI), and real-time SPC quality monitoring into their production lines. This enables full-process traceability from raw material to finished module — a requirement increasingly demanded by Tier-1 smartphone brands for supply chain risk management.
From consumer electronics to industrial ruggedized devices — intelligent charger modules serve a diverse range of demanding use cases.
High-end smartphones require BMS modules with sub-1mΩ impedance balancing, multi-protocol fast-charge support (PD, QC, proprietary), and Bluetooth-enabled state-of-health reporting. The LTW series with Bluetooth and serial communication interfaces is purpose-built for this segment, enabling manufacturers to differentiate with smart battery features.
Enterprise tablet deployments in logistics, healthcare, and field service demand extended battery life, rapid hot-swap capability, and CAN bus integration for fleet management systems. Our 20S–23S series with CAN communication ports enables centralized battery monitoring across hundreds of deployed devices, reducing total cost of ownership significantly.
Medical tablet and monitoring device manufacturers face the strictest safety requirements. BMS modules must provide redundant protection layers, precise SOC reporting within ±1%, and operate reliably across clinical environments. Anti-reverse connection protection and NTC thermal management are non-negotiable features in this application space.
Industrial environments expose devices to extreme temperatures, vibration, and chemical exposure. Our heating-enabled BMS modules with NTC sensing ensure reliable cold-start charging at temperatures as low as -20°C, making them ideal for factory floor tablets, outdoor inspection devices, and mining/construction HMI equipment.
Gaming-focused devices place extreme thermal stress on battery systems due to sustained high-performance CPU/GPU loads. BMS modules for this segment must support dynamic load balancing, real-time temperature monitoring with active thermal throttling triggers, and high-cycle-life optimization to maintain performance over thousands of charge cycles.
For ODM manufacturers producing white-label smartphones and tablets at scale, standardized BMS platforms reduce NRE costs and accelerate time-to-market. LTW's industry-standard shared board program allows manufacturers to adopt proven, patent-protected designs immediately — eliminating infringement risks and enabling production ramp-up within weeks rather than months.


We are Shenzhen Litongwei Electronic Technology Co., Ltd., established in 2005, a national high-tech enterprise specializing in the R&D and manufacturing of lithium-ion safety control systems. Our products are widely used in 3C digital devices, electric scooters, bicycles, motorcycles, tricycles, golf carts, AGVs, drones, and power tools.
We provide intellectual property protection (patent collaboration to prevent infringement), industry-standard shared boards (cost reduction and efficiency improvement), full-process traceability (quality control), and remote maintenance (cloud platform support) to help you address technical, cost, and operational challenges.
By choosing us, you'll receive top-tier products and services. Litongwei is committed to collaborating with you to build a brighter future together.
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.
As smartphone and tablet manufacturers face increasing pressure to demonstrate environmental responsibility, partnering with a BMS supplier that holds ISO14001 certification and actively pursues green manufacturing practices provides a meaningful supply chain sustainability credential.
Our cloud platform support and remote maintenance capabilities mean that our relationship with clients extends beyond component supply — we become a long-term technology partner in your product's entire lifecycle. Start with LITONGWEI!
Contact UsTwo decades of continuous innovation in lithium-ion battery management technology.
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.
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.
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.
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 — positioning itself as the preferred intelligent BMS partner for global smartphone and tablet manufacturers.
Three core pillars that make Litongwei the preferred lithium ion battery charger module partner for global manufacturers.
Shenzhen has over 13,000 square meters of independent factory space, and Dongguan Huangjiang has 27,000 square meters. The company is equipped with 24 pick-and-place machines for high-speed assembly and 12 PCBA production lines, with Litongwei's monthly output reaching over 15 million units — sufficient to support even the largest smartphone OEM ramp-ups.
Litongwei's R&D investment has consistently accounted for more than 10% of the company's annual sales for five consecutive years — a commitment that translates directly into more advanced, more reliable, and more competitive BMS solutions for our manufacturing partners in the smartphone and tablet industry.
The company holds over 100 patents in the lithium-ion battery protection board industry, along with multiple patents in circuit/testing programs and automation. It provides enhanced intellectual property protection for clients and collaborates with them to mitigate infringement risks — a critical advantage in today's competitive mobile device market.
Litongwei's partners include Huawei, Lenovo, Desay, Guoguang, Sunwoda, Eve Energy, Guoxuan High-tech, and other industry brand clients who have collaborated for many years — a testament to the reliability and performance of our lithium ion battery charger modules.




























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Partner with Litongwei — 20 years of BMS expertise, 100+ patents, 15M+ monthly output capacity, and a proven track record with the world's leading mobile device brands.
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