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Our most advanced BMS protection boards engineered for high-density consumer electronics applications — optimized for smartphones, tablets, and compact digital devices.




The global smartphone and tablet market demands increasingly sophisticated battery management. Here's why battery circuit boards are at the heart of modern device manufacturing.
Global smartphone shipments exceed 1.2 billion units annually, with tablets adding another 160 million+. Every single device requires a precision battery circuit board (BMS) to ensure safe, reliable, and efficient power delivery — making this one of the largest volume markets in the electronics industry.
Modern smartphones and tablets demand ultra-thin, high-density BMS solutions. Circuit boards must integrate overcharge protection, over-discharge protection, short-circuit protection, temperature management, and cell balancing — all within a footprint often smaller than a postage stamp.
Regulatory requirements including IEC 62133, UL 1642, and UN 38.3 mandate rigorous battery protection standards for consumer electronics. Battery circuit boards must meet these certifications to enter global markets, driving continuous innovation in protection circuit design and testing protocols.
A high-performance battery circuit board (protection circuit module / PCM) is the brain of every lithium battery pack. For smartphone and tablet manufacturers, the right BMS delivers multi-layer protection, intelligent communication, and ultra-low power consumption — ensuring your end product is safe, long-lasting, and competitive in global markets.
The industry is evolving rapidly. Manufacturers who partner with advanced BMS suppliers gain a decisive edge in product quality, cost efficiency, and time-to-market.
With smartphone fast charging now exceeding 100W and tablets pushing 65W+, battery circuit boards must handle significantly higher current loads while maintaining microsecond-level protection response times. Next-generation BMS designs incorporate low-resistance MOSFETs and advanced IC controllers to support GaN-based charging ecosystems without compromising safety margins.
Modern BMS solutions for consumer electronics increasingly incorporate Bluetooth Low Energy (BLE) communication, allowing real-time battery health data to be transmitted directly to device management software. This enables predictive maintenance, over-the-air parameter configuration, and enhanced user experience — features now expected by top-tier OEM brands.
Environmental regulations and ESG commitments are reshaping supply chains. Leading battery circuit board manufacturers are adopting halogen-free PCB materials, RoHS-compliant components, and ISO 14001-certified production processes. For smartphone and tablet brands, partnering with eco-certified BMS suppliers is increasingly a non-negotiable procurement requirement.
Artificial intelligence is entering battery management. AI-powered BMS solutions can learn usage patterns, predict remaining battery life with greater accuracy, dynamically adjust charging curves, and detect early signs of cell degradation. For tablet and smartphone OEMs, this translates to longer battery lifespan, fewer warranty claims, and superior user satisfaction scores.
The integration of MES systems, automated optical inspection (AOI), and real-time traceability platforms is transforming BMS production quality. Manufacturers adopting Industry 4.0 practices can achieve near-zero defect rates, full production traceability, and rapid response to design changes — critical capabilities for high-volume smartphone and tablet supply chains.
Beyond traditional Li-ion, the rise of lithium polymer (LiPo), solid-state batteries, and silicon-anode cells is pushing BMS designers to develop more flexible, configurable protection platforms. Universal BMS architectures that support multiple battery chemistries allow smartphone and tablet manufacturers to future-proof their designs as cell technology continues to evolve.
Battery circuit boards are not a commodity — they are precision components with highly specific application requirements. Here's how advanced BMS solutions serve different segments of the consumer electronics market.
High-end smartphones require ultra-compact BMS designs with sub-1mm profile heights, supporting 4S–5S lithium polymer configurations. Features include fast charge protocol compatibility (PD, AFC, VOOC), NTC temperature sensing, and Bluetooth-enabled battery diagnostics for premium user experiences.
Tablets demand higher capacity management — typically 6S–10S configurations with 20A–60A discharge capability. Intelligent BMS with CAN communication ports enables seamless integration with tablet power management ICs, supporting adaptive charging, battery health reporting, and compliance with enterprise device management platforms.
Gaming smartphones and tablets face extreme thermal and power demands. Specialized BMS solutions with active heating functions (for cold environments), high-frequency cell balancing, and real-time SOC monitoring ensure consistent peak performance during intensive gaming sessions without battery degradation.
Medical-grade tablets and industrial handheld devices require BMS solutions with extended temperature ranges, enhanced EMI immunity, and full production traceability. Battery circuit boards for these applications must meet IEC 60601 and industrial safety standards, with complete lot traceability from component to finished product.
The explosion of IoT-connected tablets and smart displays requires BMS solutions with ultra-low standby power consumption, remote monitoring capability, and compatibility with cloud-based energy management platforms. One-line communication protocols simplify integration across diverse IoT hardware architectures.
Rugged smartphones and outdoor tablets operate in extreme conditions — from arctic cold to desert heat. BMS solutions featuring intelligent heating circuits, wide-temperature NTC monitoring, and IP-rated assembly processes ensure reliable operation across -40°C to +85°C ranges, meeting the demands of military, field service, and outdoor professional applications.
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 battery circuit board technology continues to evolve — from simple protection circuits to full AI-driven BMS platforms — Litongwei is positioned at the forefront of this transformation. We invest heavily in R&D, maintain rigorous quality systems, and build long-term partnerships with the world's leading smartphone and tablet manufacturers.
Whether you're launching a new device, scaling production, or upgrading your battery management architecture, Litongwei has the expertise, capacity, and innovation to support your goals. Start with LITONGWEI!
Contact UsTwo decades of continuous innovation in lithium battery protection technology — from digital BMS pioneers to Smart Manufacturing leaders.
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.
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.
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 in 2020.
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 for battery circuit board solutions worldwide.
For smartphone and tablet manufacturers, choosing the right BMS partner is a strategic decision. Here's what sets Litongwei apart from the competition.
Shenzhen has over 13,000 m² of independent factory space, and Dongguan Huangjiang has 27,000 m². 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 — ensuring reliable supply for high-volume OEM orders.
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 drives continuous product innovation, faster time-to-market for new BMS designs, and superior technical support for our OEM and ODM partners.
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 — safeguarding your competitive advantage in global markets.
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.



























Explore our complete lineup of intelligent lithium battery protection boards — from compact consumer electronics BMS to advanced multi-series solutions with Bluetooth, CAN, heating, and cloud connectivity.







