Why it works: Focuses on "Long-Life," which is the primary pain point for remote IoT sensors and industrial tools

A stable and reliable power supply is the “invisible foundation” for the continuous operation of countless smart devices. From sensors in homes to water meters, electricity meters, and security systems in urban networks, these scattered devices often need to operate continuously for years without human intervention.

The core of ensuring this smooth operation is not a complex control system, but a high-performance battery. With the rapid deployment of the Internet of Things (IoT), the requirements for power supply systems have long surpassed the basic threshold of “usability,” instead demanding longer lifespans, stronger environmental adaptability, and consistent, stable performance under harsh conditions. This has made lithium batteries an indispensable power choice for an increasing number of industries.

Product System:

A Multi-Scenario Primary Lithium Battery Matrix. To meet the diverse application needs, PKCELL has developed a comprehensive primary lithium battery product matrix, with core products including the following series.

1. Lithium-manganese manganese battery (Li-MnO₂)

Renowned for its high 3V voltage platform and stable output, it features low self-discharge and excellent safety performance. Its operating temperature range covers -40℃ to 85℃. A semi-sealed structure allows for 5 years of storage, while a fully sealed structure allows for 10 years. Suitable for applications such as cameras, medical equipment, instruments, and various smart meters.

2. Lithium-ionyl chloride (Li-SOCl₂) batteries

As a core product in the industrial field, these batteries use lithium metal as the negative electrode and thionyl chloride as the positive electrolyte. They have a nominal voltage of 3.6V, a storage temperature below +30°C, and a storage life of 10 years. The operating temperature range covers -55°C to 85°C, allowing them to withstand extreme environments. Common specific products include: ER14250, ER14505, ER17335, and ER18505.

3. Lithium-iron batteries (Li-FeS₂)

Primarily targeted at consumer applications, these batteries feature a stable 1.5V voltage, high capacity, and strong discharge capability. AA-type batteries have a capacity of up to 3400mAh, and AAA-type batteries have a capacity of up to 1300mAh. They offer a storage life of up to 10 years and can widely replace traditional alkaline batteries. Suitable for digital devices, outdoor products, and other applications. Common specific products include: FR6 (AA battery) and FR03 (AAA battery).

4. Lithium coin cell batteries

Small size, low power consumption, nominal voltage of 3V, extremely low self-discharge rate, support a wide operating temperature range of -40℃ to 85℃, suitable for small and precision devices such as electronic tags, remote controls, and smart wearables.

5. Soft-pack batteries (CP series)

Utilizing a composite thin-film casing, these batteries offer flexible structure, lightweight design, and high safety. They can be customized to fit specific product spaces and are widely used in smart devices, medical equipment, and various customized products. Common specific products include: CP502025, CP224147, CP223830, CP504644, etc.

Performance Advantages: Why More and More Industries Are Choosing Primary Lithium Batteries

Compared to traditional batteries, primary lithium batteries offer significant performance advantages:

Long Lifespan: Primary lithium batteries can last 5 to 10 years or even longer. Their extremely low self-discharge rate makes them particularly suitable for equipment requiring long-term standby. The annual self-discharge rate of lithium thionyl chloride batteries can be controlled below 1%.

Wide Temperature Adaptability: They can operate stably in extreme environments ranging from -55℃ to 85℃, meeting diverse needs from extremely cold regions to high-temperature industrial scenarios.

High Energy Density: Lithium thionyl chloride batteries have an energy density of up to 684Wh/Kg, allowing products to achieve higher energy output in a smaller volume.

Stable Voltage Platform: The voltage remains stable during discharge, ensuring more reliable equipment operation.

Safe and Reliable: The structural design incorporates excellent leak-proof and safety features, eliminating the risk of fire or explosion under regulated use.

Customization Capabilities: Flexible Response to Complex Power Supply Needs

In practical applications, standard products often cannot fully meet the needs of complex scenarios. Therefore, PKCELL offers flexible battery pack customization services.

Series-Parallel Combinations: Series connection (S) increases voltage while maintaining capacity; parallel connection (P) increases capacity while maintaining voltage; and a series-parallel combination (e.g., 4S3P) allows for simultaneous increases in both voltage and capacity.

Lithium-Thionyl Acetate Battery + Capacitor Combination Solution: PKCELL offers a battery pack solution combining lithium-thionyl acetate batteries and capacitors to address the instantaneous high-current demands of IoT devices. In this solution, the lithium-thionyl acetate battery charges the capacitor with a small current, while the capacitor handles the majority of the current output when supplying power, effectively solving the voltage lag problem of lithium-thionyl acetate batteries and meeting the high-current pulse requirements of device startup and communication.

Structure and Packaging Customization: In addition to customized electrical performance, different sizes, structures, wires, solder pads, and plug configurations can be provided according to customer needs. Industrial packaging (PVC inkjet printing) and OEM brand customization (cardboard packaging) are also supported, helping customers achieve rapid product matching and application.

Application Scenarios: Comprehensive Coverage from Industry to Daily Life

From an application perspective, primary lithium batteries have been widely adopted in various industries, including industrial and IoT, security monitoring, medical equipment, and smart homes.

Smart Meters and IoT: In scenarios such as automated meter reading systems (AMR/AMI), smart water meters, gas meters, heat meters, NB-IoT devices, and LoRa terminals, primary lithium batteries can provide a long-term stable power supply. Taking the ER34615+HPC1520 combination as an example, it can meet the operational needs of smart meters for more than 6 years.

Logistics and Tracking: In applications such as cold chain monitoring, logistics management, and GPS positioning, lithium-ion batteries combined with capacitors can provide instantaneous high current support over a wide temperature range. Using the ER34615+HPC1550 solution, a maximum current of 5A can be provided, and with GPS and GSM modules, the device can be started more than 100,000 times.

Security Monitoring: In devices such as door magnets, smoke detectors, infrared alarms, and gas detectors, lithium manganese batteries and lithium-ion batteries ensure stable operation during critical moments. For special environments such as underground coal mines, models such as ER14505 can be selected.

Medical equipment: In ETD medical kits, portable medical devices, blood pressure monitors, and other scenarios, primary lithium batteries ensure continuous and reliable power support.

Smart home and consumer electronics: In fields such as electronic shelf labels, remote controls, and smart wearable devices, lithium button batteries, lithium iron phosphate batteries, and pouch batteries provide long-lasting power for various low-power devices.

Safety Use and Storage Guidelines: Proper Use Ensures Safer and Longer Lifespan

Safety is paramount during use.

Usage Guidelines: Do not recharge lithium batteries once. Charging will cause a sudden increase in internal pressure, leading to leakage, bulging, or even explosion. The positive and negative terminals of the battery must not come into direct contact to avoid short circuits and high temperatures. Do not squeeze, puncture, impact, or heat the battery at temperatures exceeding 100°C. During installation, connect the positive and negative terminals correctly according to the equipment manual, avoiding reverse connection. Also, avoid pulling on the battery leads forcefully.

Storage Guidelines: Batteries should be stored in a dry, ventilated, and cool environment, with a temperature controlled between -20°C and 30°C and a relative humidity not exceeding 80%. Avoid direct sunlight and proximity to heat sources. Unused batteries should be stored in their original packaging and kept away from metal objects.

Shelf Life: The shelf life of lithium thionyl chloride batteries and lithium iron batteries is no more than 10 years. The shelf life of lithium manganese batteries and lithium button batteries is no more than 3 years. Batteries exceeding their shelf life must be tested for performance before use. Proper use not only ensures safety but also maximizes battery performance and lifespan.

Stable Power Supply is an Essential Part of Product Competitiveness

With the continuous development of smart devices and the Internet of Things (IoT), power supplies are no longer just basic components but crucial factors that determine product stability and user experience. Primary lithium batteries, with their comprehensive advantages of long lifespan, high stability, high safety, and customizability, are becoming the preferred power solution for an increasing number of industries.

As a brand deeply rooted in the battery industry for many years, BKO Battery continues to focus on the R&D and manufacturing of primary lithium battery technology. Its product portfolio covers lithium thionyl chloride batteries, lithium manganese batteries, lithium iron batteries, and various customized battery solutions, meeting diverse needs from consumer electronics to industrial applications.

Choosing a stable battery is the foundation for reliable product operation; choosing a mature supplier ensures long-term cooperation. BKO Battery is committed to providing continuous, stable, and reliable energy support for every product.