Standard models, multi-series/parallel
configurations
2000+ cycle life with high safety performance
Flexible dimensions,
ultra-thin & lightweight
Smart Lithium Battery
Intelligent BMS with SMBus / RS485 / IIC
communication & power display
Charging at –20°C,
discharging at –40°C
Intrinsically safe/ explosion-proof options,
high-temperature short-circuit resistance
Low Temperature Discharging Cells
≥75% capacity retention at
–40°C (0.2C discharge)
Started custom lithium battery
production in 2002
24 years in custom
lithium batteries
2,680+ production
projects completed
Flexible customization, precise matching of multiple scenarios, efficient and stable operation of equipment
Reliable medical-grade batteries designed for ISO13485 compliance, long life, and stable performance for critical healthcare devices.
Reliable medical-grade batteries designed for ISO13485 compliance, long life, and stable performance for critical healthcare devices.
Reliable medical-grade batteries designed for ISO13485 compliance, long life, and stable performance for critical healthcare devices.
Reliable medical-grade batteries designed for ISO13485 compliance, long life, and stable performance for critical healthcare devices.
Reliable medical-grade batteries designed for ISO13485 compliance, long life, and stable performance for critical healthcare devices.
Reliable medical-grade batteries designed for ISO13485 compliance, long life, and stable performance for critical healthcare devices.
Covering electrical performance/structure/thermal management/BMS/safety,
accurately adapting to equipment requirements
We tailor cell chemistry, voltage platforms, discharge rates, and cycle life to deliver optimal electrical performance for each application.
We customize dimensions weight, housing materials, and internal layout to ensure a robust and reliable structural design.
We optimize thermal behavior through thermal simulation, heat-dissipation structures, and material selection for stable performance in extreme temperatures.
We provide customized BMS development with tailored protection strategies, SOC algorithms, data acquisition, and multi-protocol communication.
We implement comprehensive safety engineering-electrical, structural, thermal, and explosion-proof-to meet certification standards and extreme operating conditions.
We offer 15+ specialized technical disciplines-including electronics, structural engineering, process engineering, industrial design, testing, and quality management-to deliver one-stop solutions.
We possess full-range testing capabilities from safety to electrical performance, with a total of 109 test items available.
Over 68 million custom lithium battery packs delivered.
Custom Lithium Battery Whitepaper
- Parameter Selection
- Certification Process
- Cost Optimization
- Case Studies
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Latest News & Events
Large Power has passed the Certification of Information and Industrialization Management System
On December 7th, 2018, Large Power has passed the Certification of Information and Industrialization Management System. The certificate number is CSAIII-00318IIIMS0069801.
Science and Technology Department of Nancheng (Dongguan, China) went to Large Power for research
On the morning of January 24, 2010, Zhang Yaoping, member of the Party Committee of Nancheng District of Dongguan City and Chairman of the District Science and Technology Association
Congratulations on the comprehensive improvement of the cooperation between LARGE and Desay Battery
On the morning of May 10, 2010, the opening ceremony of “Desai Battery and Yanda Electronics Joint R&D Center” and “Yida Electronic Huizhou Production Base” was held in our company
Custom Lithium Battery Solution
Contact us now for your custom
lithium battery solution.