21700 Battery Bulk
Overview
Supplier sourcing insights & recommendations


The 21700 battery market is experiencing rapid expansion, with a projected CAGR of 25.8% between 2026 and 2030, largely driven by its superior energy density and structural advantages over the legacy 18650 format TechnavioBusinessresearchinsights.
Market Trends & Insights
* Adoption & Demand: The 21700 cell offers ~20% more energy density than 18650s, allowing EV manufacturers to reduce cell counts by 15% Researchnester. Key applications are shifting toward Cell-to-Pack (CTP) designs for electric vehicles and high-performance energy storage systems (ESS).
* Pricing: While raw material volatility (lithium, cobalt, nickel) remains a factor, battery pack prices have recently dipped below the $100/kWh threshold, significantly enhancing cost-competitiveness ResearchnesterEsource.
* Regional Dominance: The APAC region, specifically China, continues to lead with over 50% of global growth, supported by integrated supply chains and massive production capacity Researchnester.
Supplier Overview
I have identified 30 verified suppliers primarily located in Guangdong, China, specializing in high-capacity 21700 cells for power tools, e-bikes, and bulk industrial use. Notable suppliers include Shenzhen Xinglong Electronics and Shenzhen Topway New Energy, offering capacities up to 4800mAh with customization options for battery packs.
The attached file contains the complete list of suppliers, including their verification status, capability tags, and years in business.
Based on these insights, you may want to further refine your sourcing strategy:
21700 Battery Bulk Supplier Verified Manufacturer High Capacity
Verified suppliers · Quality assurance & trade protection

Shenzhen Xinglong Electronics Co., Ltd.
Well‑matched supplier in Cylindrical Lithium Ion Batteries

Shenzhen Dali Technology Co., Ltd.
Well‑matched supplier in Cylindrical Lithium Ion Batteries

Shenzhen Yigao Technology Co., Limited
Recommended supplier for Batteries

Dongguan Zhitiancheng Electronic Technology Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Accepts over 8 secure payment methods

Huizhou Boot Energy Co., Ltd.
Provides e-commerce design services
Inspection of all products

Shenzhen Anps Energy Co., Ltd.
Trusted supplier in Cylindrical Lithium Ion Batteries

Shenzhen Topway Technology Co., Ltd.
Reliable supplier in Cylindrical Lithium Ion Batteries

Dongguan Lineng Electronic Technology Co., Ltd.
Meets UL, ETL standards in United States of America
Annual export revenue: 4.5 million
Provides e-commerce design services

Shenzhen CSIP Science & Technology Co., LTD.
Participated in 1 trade show in United States of America
Annual export revenue: 2.1 million
Comply with ISO standards

Shenzhen Hanhailong Technology Co., Limited
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

General Electronics Technology Co., Ltd.
Annual export revenue: 8 million
Provides e-commerce design services
16 years of experience in industry

Luoyang Apower Imp&exp Co., Ltd.
Provides e-commerce design services
Accepts over 8 secure payment methods
Inspection according to client's requirement

Zigong JOINSUN Technology Co., Ltd.
100% quality control across all production lines
Operates 6 self-owned production lines with certified equipments
Inspection of all products

Dongguan Changde Technology Co., Ltd.
Trusted supplier in Digital Batteries

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

Shenzhen Honghaosheng Electronics Co., Ltd.
Meets MSDS, FCC, UL standards in United States of America
Operates 14 self-owned production lines with certified equipments
Annual export revenue: 18.8 million

Shenzhen Bestly Technology Co., Ltd.
Competitive supplier in Cylindrical Lithium Ion Batteries

Dongguan Maosheng New Energy Technology Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Accepts over 8 secure payment methods

Shenzhen Li Zhi Xin Technology Co., Ltd.
Supports shipping to FBA warehouses
100% quality control across all production lines
Provides e-commerce design services
Dongguan Bobes New Energy Technology Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Guangzhou Geilienergy Electronic Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Shenzhen Xtar Electronics Co., Ltd.
Overseas warehousing available
Reliable supplier in Cylindrical Lithium Ion Batteries

Dongguan Youli Electronic Technology Limited
Supports shipping to FBA warehouses
Provides e-commerce design services
Meets FCC, UL 2054, UL standards in United States of America

Shenzhen Zhonghuajia Technology Co., Ltd.
Overseas warehousing available
100% quality control across all production lines
Accepts over 8 secure payment methods
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Sources & References
29 sources cited · Verified industry data & reports

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