21700 Battery Supplier
Overview
Supplier sourcing insights & recommendations


The 21700 lithium-ion battery market is currently in a high-growth phase, projected to reach a valuation of approximately USD 8.87 billion to USD 12.25 billion by 2026 TechnavioMarketgrowthreports. This growth is primarily fueled by a significant format migration from the legacy 18650 cells to 21700 cells, which offer 10-20% higher energy density and capacities reaching up to 5,000 mAh PkcellWonderfulpcb.
Key Market Insights for 2026
* Demand Drivers: The Electric Vehicle (EV) sector remains the dominant driver, accounting for roughly 60% of market share, as the 21700 format allows for a 15% reduction in cell count per pack MarketgrowthreportsPkcell. High-performance cordless power tools and modular Energy Storage Systems (ESS) are also accelerating adoption due to the format's superior discharge rates TechnavioPkcell.
* Competitive Landscape: The market is highly concentrated, with LG Energy Solution, Samsung SDI, and Panasonic controlling over 60% of the global share TechnavioMordorintelligence. Chinese manufacturers like EVE Energy and BAK Power are also dominant, leveraging massive domestic production capacity MarketresearchPkcell.
* Technological Shifts: Trends include the adoption of silicon-carbon anodes (in ~45% of new cells) and a growing focus on circular economy practices, with recycling streams increasingly optimized for the 21700 form factor MarketgrowthreportsPkcell.
I have identified several verified suppliers providing high-capacity 21700 cells suitable for various industrial applications. You can find the detailed supplier list, including company profiles, certifications, and product offerings, in the file provided below.
I have summarized the 21700 battery market landscape and identified key suppliers. You can explore further with these options:
21700 Battery Supplier
Verified suppliers · Quality assurance & trade protection
Docan Technology (Shenzhen) Co., Ltd.
Provides e-commerce design services
Participated in 1 trade show in United States of America
After-sales service includes equipment-installation and maintenance, technical advice, etc

Huizhou Boot Energy Co., Ltd.
Top 10% for buyers in Digital Batteries - United States of America market
Provides e-commerce design services
Inspection of all products

Dongguan Misen Power Technology Limited
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Shenzhen Starmax Energy Technology Co., Ltd.
Provides e-commerce design services
Inspection according to client's requirement
Meets MSDS standards in United States of America

Shenzhen Data Power Technology Ltd.
100% quality control across all production lines
Provides e-commerce design services
Operates 6 self-owned production lines with certified equipments

Xiamen New Journey Technology Co., Ltd.
Provides e-commerce design services
Comply with ISO standards

General Electronics Technology Co., Ltd.
16 years of experience in exporting
On-site engineer support service includes other
100% quality control across all production lines

Dongguan Ritano New Energy Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Changsha Lead Power New Energy Technology Co., Ltd.
Meets MSDS standards in United States of America
Trusted supplier in Cylindrical Lithium Ion Batteries

Dongguan Mozhong Technology Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Shenzhen Data Power Technology Ltd.
Meets FCC, MSDS standards in United States of America
15 years of experience in exporting
Comply with ISO standards

Shenzhen Hysincere Battery Co., Ltd.
100% quality control across all production lines
Supports shipping to FBA warehouses
Provides e-commerce design services

Dongguan Huaerdun Technology Co., Ltd.
Overseas warehousing available
Provides e-commerce design services
Accepts over 8 secure payment methods

Shenzhen City Kaixinda Energy Technology Limited Company
17 years of experience in exporting
Provides e-commerce design services
Comply with ISO standards

Shenzhen Nogi Technology Co., Ltd.
Provides e-commerce design services
Inspection of all products

Shenzhen Baisiyu Technology Co., Ltd.
Well-suited supplier in Cylindrical Lithium Ion Batteries

Shenzhen YHD Electronic Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
18 years of experience in exporting

Shenzhen Keruilong Technology Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Operates 9 self-owned production lines with certified equipments

Dongguan Ruifeng Energy Technology Co., Ltd.
Has served Fortune 500 clients
100% quality control across all production lines
Inspection of all products

Huizhou Jiaxinrui New Energy Technology Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Shenzhen CSIP Science & Technology Co., LTD.
Provides e-commerce design services
Participated in 1 trade show in United States of America
Comply with ISO standards

Shenzhen Bixell Technology Limited
Inspection according to client's requirement
Comply with ISO standards

Guangzhou Geilienergy Electronic Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products
Shenzhen Yinqian Electronic Technology Co., Ltd.
Supports shipping to FBA warehouses
Provides e-commerce design services
Inspection of all products
Related Searches
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Sources & References
26 sources cited · Verified industry data & reports

21700 Lithium-ion Battery Market Size 2026-2030
Technavio
The 21700 Lithium-ion Battery Market is expected to grow by USD 12.25 billion during 2026-2030, registering a CAGR of 25.8%. Year-over-year growth in 2026 is ...

21700 Lithium-Ion Battery Market Size & Share [2026-2035]
Market Growth Reports
21700 lithium-ion battery market Size Expected to Grow from USD 8867.35 million in 2026 to USD 21882.89 million by 2035, at a CAGR of 10.56%

Comprehensive 21700 Lithium Battery Market Report 2026 ...
The 21700 Lithium Battery Market is projected to exhibit a CAGR of 8.3% during the forecast period, highlighting its potential for further ...

why 21700 lithium-ion batteries are replacing 18650 cells ...
Keeppower
Manufacturers and consumers are increasingly choosing 21700 cells because they provide higher capacity, improved efficiency, and better thermal ...

Lithium-ion Battery Market Size & Share, Growth Trends 2035
Research Nester
In 2026, the industry size of lithium-ion battery is assessed at USD 166.2 billion. 2026 Market Size: USD 166.2 billion Projected Market Size: ...

18650 and 21700 Battery Market Size, Share, Growth 2035
Business Research Insights
The 18650 and 21700 Battery Market is projected to grow from USD 20.11 billion in 2026 to USD 57.62 billion by 2035, reflecting a CAGR of 12.4%.








































































