R&D Capability
Turning Custom Requirements into Reliable Solutions
LARGE specializes in non-standard applications and high-reliability lithium battery solutions.Led by professor-level experts and supported by multidisciplinary R&D teams, we cover specialty cells, battery packs, and specialized power systems, forming a closed-loop capability from cell design to system integration. With proprietary technologies and in-house testing, we rapidly convert custom requirements into safe, stable, and deliverable battery solutions, reducing development cycles while ensuring long-term reliability.
R&D Strength Overview:
- 7 professor-level experts
- 70+ R&D engineers
- 80+ patents covering cell, system, and safety design
- Key laboratories & in-house testing centers
- Custom development cycle reduced by 30%+
Specialty Cell R&D
Designed for Extreme Conditions
We develop specialty cells for demanding environments through optimized materials, structure, and processes, providing higher design flexibility, safety margin, and system compatibility.
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Environments
High / low temperature, humidity, salt spray, dust, waterproof, low pressure
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Flexible specifications
Custom size and structure for limited or irregular spaces
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Performance Highlights
- Energy density
- High discharge
- High-temperature stability
- Safety
Low temperature:
- Charging: -30℃ (0.5C)
- Discharging: -40℃ (≥80%), -50℃ (≥75%)
Explosion-proof:
- 190-200 Wh/kg
- Compliant with Ex ia / ib IIA / IIB T1-T4
- Passed nail penetration and impact tests
Lithium Battery Pack R&D
System-Level Design for Safety & Reliability
We design battery packs at the system level, addressing electrical, mechanical, and thermal risks early in development.
Electrical & cell matching:
Stable output and lifetime optimization
BMS & control
Customized protection, monitoring, and communication
Structure & thermal
Strength, protection, and heat dissipation tailored to the application
System safety
Multi-layer electrical, mechanical, and thermal protection
Specialized Power Supply Systems
Stable Power for Complex Loads
For applications where batteries act as part of the power system, we provide customized energy solutions based on load characteristics.
- 10W-2000W customized output
- Supports inductive loads and current surges
- Stable operation down to -43℃
- Long-life, high-reliability design
Safety & Testing
Verified Before Delivery
We move risk control to the R&D and validation stages, ensuring every customized solution is fully tested before shipment.
- 109 test items covering performance, safety, and environment
- Cell-level and system-level verification
- Parallel development & testing, shortening lead time by 30%+
Request Your Custom Lithium Battery Pack Evaluation
We'll provide a tailored evaluation covering cell design, BMS strategy, structure, thermal management and safety engineering.