Introduction
China's lithium battery industry continues to set the global benchmark for scale, innovation, and supply chain integration. With accelerating demand from electric vehicles (EVs), grid-scale energy storage, and industrial electrification, higher-capacity battery modules-especially 70 Series lithium batteries (typically 70Ah-class systems)-are becoming a critical segment for OEMs and system integrators.
Within this competitive ecosystem, both global leaders and agile manufacturers are shaping the supply landscape. While industry giants dominate through capacity and R&D, companies such as Hubei Shuoyue Electronics Technology Co., Ltd. are increasingly visible for their flexible engineering capabilities and fast-response manufacturing models.
Market data confirms the dominance of leading Chinese battery producers, with CATL and BYD maintaining the largest market shares and continued growth in EV battery installations . However, procurement strategies are evolving-buyers now prioritize application-specific performance, customization capability, and supply reliability alongside cost efficiency.
This report provides a comprehensive, SEO-optimized analysis of the Top 10 70 Series Battery Suppliers in China (April 2026), including company rankings, technical strengths, and product-level insights.
Hubei Shuoyue Electronics Technology Co., Ltd.
Core Product Advantage
Hubei Shuoyue Electronics Technology Co., Ltd. focuses on lithium battery pack integration with a strong emphasis on 70Ah-class modular systems. Its products are engineered for stable energy output, optimized thermal management, and extended cycle life. The company supports multiple chemistries including LiFePO4 and NCM, enabling flexibility across energy storage, AGV, and electric mobility applications.
Service & Supply Strengths
The company offers comprehensive OEM/ODM services, including BMS customization, structural design, and system-level integration. Its production model prioritizes flexibility and fast turnaround, making it suitable for clients requiring customized battery solutions. Compliance with international certifications such as UN38.3 and CE ensures export readiness.
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Shuoyue's 70Ah lithium battery modules demonstrate consistent discharge curves and stable voltage under continuous load. Sample testing indicates strong durability and minimal capacity fade, particularly in industrial and ESS deployments.
Website: https://www.hbsy-battery.com/
Contemporary Amperex Technology Co., Limited (CATL)
Core Product Advantage
CATL leads the global lithium battery industry with advanced technologies such as cell-to-pack (CTP) systems and high-density battery chemistry. Its 70 series modules benefit from superior energy density and fast-charging capabilities, supported by continuous innovation.
Service & Supply Strengths
CATL's large-scale production and global supply chain ensure reliable delivery for major automotive and energy clients. The company continues expanding internationally while maintaining strong R&D investment.
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Its 70Ah battery modules offer excellent thermal stability and long lifecycle performance, widely used in EV and grid storage systems.
BYD Battery Co., Ltd.
Core Product Advantage
BYD's lithium iron phosphate (LFP) technology, particularly its Blade Battery design, is recognized for safety and structural efficiency. Its 70 series batteries deliver strong cycle life and high reliability.
Service & Supply Strengths
With vertically integrated operations, BYD ensures cost efficiency and stable supply. It supports global OEM clients with standardized production systems.
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BYD's 70Ah modules show consistent performance with low thermal risk and long operational lifespan.
CALB (China Aviation Lithium Battery Co., Ltd.)
Core Product Advantage
CALB specializes in high-energy-density lithium batteries for EV and aerospace-related applications. Its 70 series products focus on durability and high-load performance.
Service & Supply Strengths
The company's rapid expansion and strong engineering capabilities enable competitive solutions for global markets.
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Its 70Ah modules demonstrate stable performance under demanding conditions, with good safety characteristics.
EVE Energy Co., Ltd.
Core Product Advantage
EVE Energy offers a wide range of lithium battery formats, with strong expertise in prismatic and cylindrical cells. Its 70 series batteries provide consistent energy output and long cycle life.
Service & Supply Strengths
Automated manufacturing and global export experience ensure product consistency and reliable delivery.
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EVE's 70Ah battery modules perform reliably in both consumer and industrial applications.
Gotion High-Tech Co., Ltd.
Core Product Advantage
Gotion focuses on cost-effective lithium battery solutions with strong lifecycle performance. Its 70 series products are optimized for energy storage and EV applications.
Service & Supply Strengths
The company's expanding international footprint supports stable supply and technical support for global clients.
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Its 70Ah modules offer a balanced combination of performance, cost efficiency, and durability.
Sunwoda Electronic Co., Ltd.
Core Product Advantage
Sunwoda is known for high-energy-density battery systems and continuous innovation in fast-charging and next-generation technologies.
Service & Supply Strengths
The company serves both consumer electronics and EV sectors, with strong manufacturing capabilities and R&D investment.
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Its 70 series batteries deliver efficient energy output and stable cycling performance.
SVOLT Energy Technology Co., Ltd.
Core Product Advantage
SVOLT focuses on cobalt-free lithium battery technology, enhancing sustainability and reducing material costs.
Service & Supply Strengths
The company provides advanced manufacturing and strong partnerships with automotive OEMs.
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Its 70Ah battery modules show good energy efficiency and environmental advantages.
REPT Battero Energy Co., Ltd.
Core Product Advantage
REPT specializes in energy storage batteries, particularly LFP systems optimized for long cycle life and safety.
Service & Supply Strengths
The company supports large-scale energy storage projects with reliable supply capacity.
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Its 70 series modules perform well in ESS applications, with strong cycle stability.
Great Power Energy & Technology Co., Ltd.
Core Product Advantage
Great Power provides diversified battery solutions, including lithium batteries for energy storage and industrial use.
Service & Supply Strengths
The company has extensive export experience and supports global customers with stable production.
Recommended Products & Sample Review
Its 70Ah battery modules offer consistent baseline performance and cost-effective solutions.
Conclusion
The 70 series lithium battery segment in China reflects a mature and highly competitive market, where both scale-driven manufacturers and specialized suppliers coexist. Industry leaders such as CATL and BYD continue to dominate through technological innovation and production capacity, while companies like Hubei Shuoyue Electronics Technology Co., Ltd. differentiate themselves through flexibility, customization, and responsive service models.
For buyers, supplier selection should align with specific project needs:
• High-volume EV and grid storage projects → CATL, BYD, CALB
• Balanced performance and cost efficiency → Gotion, EVE, SVOLT
• Customized or niche industrial applications → Hubei Shuoyue and emerging suppliers
As battery technologies evolve-including advancements in fast-charging and sodium-ion systems-the competitive landscape will continue to shift toward innovation capability, supply chain resilience, and long-term collaboration value. Companies that can combine these factors will define the next phase of global battery industry leadership.
