Research, development, and manufacturing
R&D AND MANUFACTURING
Top-tier R&D team delivering customized lithium-battery solutions.
Core Specification Parameters
Capacity range:
Customized Lithium Batteries from 1 to 100 Ah
Charging current:
Standard 0.2C and 0.5C modes
Discharge performance:
Maximum sustainable 50C discharge
Operating temperature:
Charging: 0°C–45°C; Discharging: -40°C–60°C
Key Performance Advantages
Ultimate Lightweight Design:
Effectively reduces the overall weight burden of the equipment.
Highly customized:
Shape and size can be flexibly customized as needed.
Wide applicability:
Compatible with a wide range of portable electronic devices
Core Specification Parameters
Summary of Market Competitiveness:
Leveraging high-rate discharge capability and wide-temperature-range adaptability, coupled with lightweight design and customization options, our products offer distinct advantages in harsh environments and high-end portable devices.
Diverse Application Areas
Mobile payment terminal
Secure and efficient power supply ensures transaction stability.
Smart Remote Control
Long-lasting battery life significantly enhances the user experience.
Medical devices
Stable and reliable, meeting the stringent requirements of medical-grade equipment.
Smart wearable products
Compact and lightweight design for long-lasting, comfortable wear.
Smart Home
Provides a stable power supply for various smart home appliances.
Industrial products
Adapts to complex industrial environments with exceptionally stable performance.
Portable Energy Storage
Provides reliable power for outdoor camping and emergency situations.
High-end market expansion
Continuously penetrate emerging mid-to-high-end markets and lead industry standards.
Custom Physical Properties
Customizable battery cells available upon request:
Dimensions, Shape, and Quality
Structural Strength Optimization
Adapted to the charge and discharge temperature range
Customized Chemical Properties
Precise matching of electrochemical parameters:
Voltage, Capacity, and Internal Resistance
Charge and discharge rates and current
Customized cycle life design
Material System Selection
Supports multiple mainstream material systems:
Lithium Iron Phosphate (LFP)
NMC/NCA Lithium-ion
Other systems such as lithium cobalt oxide/lithium manganese oxide
Whether it’s physical parameters such as size and shape, chemical performance metrics like voltage and capacity, or different material systems, we can tailor our solutions to meet your specific requirements.Precise Customization, ensuring that the battery cells are fully compatible with your product design.
Communication Protocol
Supports protocol adaptation for CAN bus, RS485, UART, I²C/SMBus, and more.
Charging Management
Monitoring voltage, temperature, and current; intelligent SOC estimation; and active balancing management.
Discharge Management
Real-time monitoring of discharge voltage, temperature, and current, with precise RSOC estimation.
Conservation Management
Provides multiple safety protections, including overcharge/overdischarge, short-circuit, high/low temperature, and overload protection.
Other Features
Supports extended features such as low-power storage, reverse-polarity protection, and black-box recording.
All-round Intelligent Management:From underlying hardware to advanced algorithms, we deliver highly flexible, customized solutions for your battery system, ensuring that every individual cell performs at its optimal level.
Customization of Core Electrical Parameters
Rated voltage, current, contact resistance, insulation withstand voltage, and signal type can all be customized to ensure precise matching of electrical performance.
Custom Mechanical Structures
Custom-designed to match the installation space, interface type, and mounting method, ensuring seamless integration with the equipment’s physical footprint.
Custom Protective Materials
Supports various protection ratings and temperature ranges, offers a wide selection of enclosure and electroplating materials, and is designed to withstand harsh environments.
Custom Special Features
It can integrate special features such as high-voltage interlock, integrated design, and LDS design to meet high-end technical requirements.
From electrical performance to physical compatibility, our comprehensive custom services ensure that the connector is perfectly tailored to your application.
Structural Space and Dimensions
Customize the structural dimensions based on the internal space of the equipment to ensure a perfect fit.
Structural Strength and Protection
Ensure structural strength and meet specified protection, flame-retardant, and explosion-proof requirements.
Packaging and Casing
Offering a variety of packaging options and enclosure materials to balance aesthetics with durability.
Mold opening support
We provide professional mold development and manufacturing services tailored to customers’ specific requirements.
From design to mass production, we provide end-to-end integration solutions to meet all your needs.
Internationally Recognized Certification
- UN38.3 / MSDS
- CB Certification
European Certification
- Battery Directive / REACH / RoHS
- CE / IEC/EN62133
U.S. Certification
- UL Certification / FCC Certification
- CTIA certification
China Certification
- CCC Mandatory Certification
- China Taiwan BSMI
Certification in Other Regions
- Japan PSE / South Korea KC
- Canadian IC / Indian BIS
Professional Assurance
- Expert team provides end-to-end follow-up.
- 100% Compliance Undertaking
We pledge to build on authoritative standards and harness professional customization as our driving force, delivering safe, efficient, and tailored energy solutions for you.
Testing Center
The company’s Testing Center has been established in strict accordance with authoritative standards such as the CCC, the International Electrotechnical Commission (IEC), and the United Nations (UN). It is equipped with state-of-the-art specialized laboratories and high-precision testing equipment, forming a comprehensive testing system that covers the entire product lifecycle—from battery material analysis and cell performance testing to module cycle-life verification, high- and low-temperature environmental simulation, and safety-performance evaluation. The Testing Center boasts robust safety validation capabilities, including overcharge/overdischarge protection, short-circuit testing, crush testing, nail penetration testing, and thermal abuse testing, ensuring that every batch of products—from cell screening to final shipment—undergoes rigorous quality verification. This enables us to deliver reliable products that meet global market access standards to our customers.
Physicochemical Property Testing
Short-circuit test
Drop test
Directed Drop Test
Reliability Testing
Constant Temperature and Humidity Testing
Manufacturing Center
Since its establishment, the Lithium Battery Module Manufacturing Center of Dongguan Willis Electronics Co., Ltd. has always adhered to the core value concept of “customization, rapid response, and pursuit of excellence,” deeply cultivating the fields of industrial power supplies, energy storage power supplies, power supplies, and backup power supplies. The company is committed to meeting users’ personalized and diversified needs in various application scenarios, continuously creating unique value for customers with its professional manufacturing capabilities.
Simulation Laboratory
High- and low-temperature cabinet
Alignment Degree Test
Shipping packaging
Size Measurement
Flatness Test
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Dongguan Willis Electronics Co., Ltd.
Address: 6th Floor, Building 1, Zhongqian Intelligent Technology Industrial Center, No. 2 Jinsha Road, Dalang Town, Dongguan City, Guangdong Province
Phone:13143434955
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