Shenzhen Chaoliyang Technology Development Co., Ltd.

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OEM ODM Cylindericial 18650 Lithium Ion Batteries 7.4V 11.1V 12V Lithium Li Lon Cell 5000mAh 21700 Battery Pack for Power Bank

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21700 Battery / Battery Pack

PRODUCT DETAIL

High Energy Density: Ideal for power tools and home appliances due to its high capacity and low maintenance.
Long Cycle Life: Up to 1000 cycles ensure lasting performance for various applications.
Safe Operation: Passes drop shock, impact, and fire tests, ensuring reliability and safety.
Customizable Options: Tailored to fit specific needs with customization options like shape, voltage, and capacity.
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18650 lithium battery pack
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Shenzhen Chaoliyang Technology Development Co., Ltd., established in 2012, Our battery solutions can be applied in multiple fields: medical products, beauty products, 3C electronic products, power tools, mobile power supplies, intelligent robots, drones, AI devices, energy storage, and so on.The company serves a diverse global market with 50% North America and 10% Southeast Asia proportions. Our company offers OEM/ODM type cylindrical batteries and polymer batteries with capacities of 3.7V, 7.4V and 12V, etc.

LET CUSTOMERS SPEAK FOR US

Taylor

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This was our first time sourcing batteries from China. We were incredibly patient and meticulous throughout the business process, proactively providing specifications, certification documents, and packing information. We followed up on production, inspection, and shipment from start to finish. Our products are consistently reliable and of stable quality, and our after-sales service is prompt and responsive. We are a lithium battery supplier you can trust long-term.

Fuyeor‌

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We sourced 503048 miniature battery cells for our beauty devices. The cells are sized to standard with no deviations and come with a complete protection board, eliminating the need for additional components. The cells can be stored for months without running out of power. We offer efficient communication regarding customized cables and terminals, professional business support, and timely responses to technical issues. Our cost-effectiveness far surpasses that of local suppliers.

Ethan‌

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Having partnered with Chaoliyang for two years, we've secured a customized 805080 high-capacity polymer battery cell with ample capacity and stable internal resistance, significantly reducing our power bank return rate. All CE and UN38.3 certifications are complete, ensuring smooth customs clearance every time we ship goods. Our factory delivers on time, and we prioritize expedited sample orders. Our technical team is highly cooperative, leading to a long-term and stable partnership.

Jemmei

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We compared cylindrical battery packs from multiple factories. This batch of products features rigorous cell sorting, balanced internal resistance, and excellent cycle stability; neat assembly and welding, secure wiring, and reasonable BMS parameter settings, meeting UN38.3 and CE certification standards. We support customized voltage and capacity, and provide professional and smooth technical support throughout the production process; goods are shipped on time according to FOB terms, and customs documents are complete. The incoming material defect rate is extremely low, making it ideal for long-term wholesale cooperation.

FAQ

Frequently Asked Questions

Does CLY provide free samples? How can I get samples?

We can provide free samples based on project circumstances, with shipping costs borne by the customer. Please contact our sales team with detailed requirements, and we will arrange sample delivery as soon as possible.

What after-sales services does CLY provide? How are quality issues handled?

We provide comprehensive after-sales services including technical support, product warranty, and issue response. If quality problems occur, after confirmation we offer returns, exchanges, or compensation as per the mutual agreement.

Does CLY have a minimum order quantity (MOQ) requirement for battery products?

MOQ varies by product. Sample orders have no MOQ restriction. For bulk orders, please contact our sales team for specific MOQ. We support small batch trial production.

What is CLY's annual production capacity? How long is the order delivery lead time?

We have strong annual production capacity with modern production lines. Standard order lead time is 15-25 days, depending on customization requirements. Sufficient inventory ensures timely delivery.

Does CLY provide free samples? How can I get samples?

What after-sales services does CLY provide? How are quality issues handled?

Does CLY have a minimum order quantity (MOQ) requirement for battery products?

MOQ varies by product. Sample orders have no MOQ restriction. For bulk orders, please contact our sales team for specific MOQ. We support small batch trial production.

What is CLY's annual production capacity? How long is the order delivery lead time?

We have strong annual production capacity with modern production lines. Standard order lead time is 15-25 days, depending on customization requirements. Sufficient inventory ensures timely delivery.

Does CLY have export experience? How many countries does it serve?

CLY has over 10 years of export experience, established long-term cooperation with many domestic and international retailers and wholesalers, and serves more than 150 countries worldwide.

How does CLY ensure product quality? What is the shipment pass rate?

We have a professional quality inspection team that strictly tests everything from raw materials to finished products, ensuring each product meets high standards. Our shipment quality pass rate remains 100%.

What are the main application fields of CLY batteries?

Our batteries are widely used in medical equipment, beauty devices, 3C digital products, power tools, power banks, smart robots, drones, energy storage systems, and more.

Does CLY offer battery customization services? What aspects can be customized?

Yes, we offer deep customization including cell selection, capacity, voltage, size, BMS protection board, connectors, and casing, providing flexible one-stop solutions based on specific customer needs.

OEM ODM Cylindericial 18650 Lithium Ion Batteries 7.4V 11.1V 12V Lithium Li Lon Cell 5000mAh 21700 Battery Pack for Power Bank

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