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High-performance cylindrical lithium batteries purpose-built for IoT devices, smart meters, and connected industrial applications.
The global Internet of Things (IoT) ecosystem is expanding at an unprecedented pace. By 2030, analysts project more than 30 billion connected devices will be deployed worldwide — from environmental sensors and asset trackers to smart electricity, gas, and water meters. At the heart of this revolution lies a critical enabling technology: the lithium-polymer (LiPo) battery.
Unlike conventional cylindrical or prismatic lithium-ion cells, lithium-polymer batteries utilize a solid or gel-like polymer electrolyte, enabling manufacturers to produce cells in virtually any shape or form factor. This geometric flexibility, combined with high energy density, ultra-low self-discharge rates, and broad operating temperature ranges, makes LiPo batteries uniquely suited to the miniaturized, power-constrained, and long-lifecycle demands of modern IoT deployments and smart metering infrastructure.
Smart meters — the cornerstone of modern utility management — require batteries capable of sustaining reliable data transmission for 10 to 15 years without replacement. Lithium-polymer cells, with their exceptional cycle stability and minimal capacity fade, are increasingly the preferred choice for utility companies and infrastructure operators across North America, Europe, and Asia-Pacific markets.
Lithium-polymer cells deliver superior energy-to-weight ratios, enabling compact device designs without compromising operational longevity — critical for space-constrained smart meter housings and wearable IoT nodes.
Engineered to operate reliably from -40°C to +85°C, LiPo batteries power outdoor smart meters and industrial IoT sensors in harsh environments — from Arctic pipelines to desert solar installations.
Polymer electrolyte technology enables custom shapes — ultra-thin, curved, or stacked configurations — giving engineers unprecedented freedom in PCB-integrated and wearable IoT device design.
The absence of liquid electrolyte drastically reduces leakage and thermal runaway risk, meeting stringent IEC, UL, and CE safety standards required for utility-grade metering and public infrastructure deployment.
With monthly self-discharge rates below 1–2%, LiPo batteries retain charge over multi-year storage periods, enabling pre-installed smart meter deployments and low-maintenance remote sensor networks.
Advanced LiPo formulations support 500–1000+ charge cycles with minimal degradation, reducing total cost of ownership for IoT fleet operators and aligning with global ESG and green manufacturing mandates.
The convergence of 5G connectivity, edge computing, and AI-driven analytics is fundamentally reshaping the demand landscape for IoT power solutions. Lithium-polymer batteries have emerged as the preferred power source across a spectrum of commercial and industrial verticals, driven by their unmatched combination of performance, safety, and design adaptability.
Global governments are mandating Advanced Metering Infrastructure (AMI) deployments at scale. The EU's Smart Energy Directive targets 80% smart meter penetration by 2026, while China's State Grid has deployed over 500 million smart electricity meters. Each unit demands a reliable, decade-long battery solution — a market LiPo technology is ideally positioned to serve.
Manufacturing facilities, logistics hubs, and oil & gas operations are deploying thousands of wireless sensors for real-time condition monitoring, predictive maintenance, and asset tracking. LiPo batteries power these IIoT nodes with the high pulse current capability needed for periodic LPWAN (LoRa, NB-IoT, LTE-M) transmissions.
From intelligent street lighting and parking sensors to air quality monitors and flood detection systems, smart city deployments require millions of battery-powered endpoints. Municipal procurement specifications increasingly mandate LiPo cells for their 10+ year operational targets and zero-maintenance requirements.
The next frontier in LiPo technology is the transition toward solid-state polymer electrolytes, promising energy densities exceeding 400 Wh/kg and complete elimination of liquid electrolyte safety concerns. Leading manufacturers are investing heavily in semi-solid and all-solid-state LiPo R&D for commercial IoT applications by 2027–2030.
Machine learning algorithms are being integrated into Battery Management Systems (BMS) for IoT devices, enabling predictive State-of-Health (SoH) monitoring, adaptive charge scheduling, and remote diagnostics. This AI-BMS synergy extends LiPo battery operational life by 20–35% in real-world smart meter deployments.
Regulatory pressure and corporate ESG commitments are accelerating the adoption of sustainably manufactured LiPo batteries. Battery passport frameworks, recyclability mandates, and carbon-neutral production targets are reshaping supply chain requirements for IoT battery procurement globally.
From utility infrastructure to precision agriculture — lithium-polymer batteries are enabling the connected world across every critical sector.
LiPo batteries serve as backup and primary power in NB-IoT and LoRaWAN-connected electricity meters, maintaining data logging and two-way communication during grid outages. Their 15-year service life aligns with utility replacement cycles, dramatically reducing OPEX for network operators.
Ultrasonic water meters and diaphragm gas meters deployed in residential and commercial buildings rely on LiPo cells for decade-long autonomous operation. Their leak-proof construction is essential in moisture-rich or gas-sensitive metering environments where safety is paramount.
Ultra-thin LiPo batteries power implantable cardiac monitors, continuous glucose sensors, and smart patches. Their biocompatible packaging, flexible form factors, and sub-milliampere standby currents enable next-generation medical-grade wearable devices with multi-week operational autonomy.
Global supply chain visibility depends on GPS/BLE/cellular asset trackers powered by high-energy LiPo cells. Whether monitoring cold-chain pharmaceutical shipments or tracking heavy equipment across construction sites, LiPo batteries deliver the pulse power and longevity that logistics IoT demands.
Soil moisture sensors, weather stations, and precision irrigation controllers deployed across vast agricultural landscapes require batteries that endure extreme temperatures and multi-year field deployment without maintenance. LiPo's wide thermal range and low self-discharge make it the agronomic IoT standard.
Wireless pressure transmitters, vibration sensors, and flow meters in oil refineries, chemical plants, and power stations require intrinsically safe, high-reliability power sources. LiPo batteries certified to ATEX and IECEx standards are increasingly specified for hazardous-area IoT instrumentation.
Founded in October 2006, Sichuan Changhong New Energy Technology Co., Ltd. is a subsidiary of Changhong Holding Group (one of the World's Top 500 Brands). It is a national high-tech enterprise integrating R&D, manufacturing and sales of full-range alkaline batteries and lithium-ion batteries.
The company now operates six manufacturing bases in Mianyang (Sichuan), Jiaxing (Zhejiang), Taixing (Jiangsu), Huarong (Hunan), Shenzhen (Guangdong) and Chonburi (Thailand). It has an annual production and sales capacity of 3.5 billion alkaline manganese batteries, 600 million cylindrical lithium-ion batteries (including 18650, 21700, 26700 and other models), over 100 million small polymer batteries and over 100 million battery PACK sets.
It controls three subsidiaries: Zhejiang Changhong Feishi Electrical Appliance Industry Co., Ltd., Changhong Sanjie New Energy Co., Ltd., and Shenzhen Changhong Juheyuan Technology Co., Ltd.
The company is a listed enterprise in China (Stock Code: 920239), Top 100 Chinese Battery Companies, Vice Chairman Unit of China Battery Industry Association, Member of IEC Technical Committee on Primary Batteries, National High-Tech Enterprise, National Specialized, Sophisticated, Unique and New "Little Giant" Enterprise, the largest production base of high-rate cylindrical lithium batteries in Western China, National Green Factory, Sichuan Provincial Advanced Smart Factory, and included in the MIIT 5G Factory List.
Customer-Centered.
Intelligent Manufacturing, Technological Innovation, Benefit Humanity.
Responsibility, Innovation, Commitment.
To Become a World-Class New Energy Enterprise.
Lead in Technology, Win with Speed.
Changhong introduced advanced technologies and equipment for alkaline manganese batteries from Toshiba, entering the primary battery sector.
Changhong New Energy was independently registered and officially operated.
Introduced the world's high-end Haiba production line for alkaline batteries.
Changhong Energy listed on the New Third Board; acquired Zhejiang Feishi to build a coastal production and export base.
Acquired Jiangsu Sanjie, entering the cylindrical lithium battery industry.
Established Mianyang Jiechuang, realizing large-scale capacity expansion of alkaline batteries and lithium batteries.
Changhong Energy officially listed on the Beijing Stock Exchange (Stock Code: 920239).
Acquired Shenzhen Juheyuan, entering the polymer lithium battery sector. Changhong Sanjie's cylindrical lithium battery capacity exceeded 500 million units.
Hunan Changhong Juheyuan polymer battery capacity expanded. Preparation for Changhong New Energy Thailand Plant commenced.
Changhong New Energy Thailand Plant officially went into operation. Total alkaline battery capacity exceeded 3.5 billion units.
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