Kingchi 18650 3300mAh Li-ion Cell | OEM Manufacturer & Wholesale Supply
Source bulk 18650 3300mAh Li-ion cells from Kingchi. High-consistency 3.6V/4.2V cylindrical cells for OEM assemblies & industrial electronics.

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Source bulk 18650 3300mAh Li-ion cells from Kingchi. High-consistency 3.6V/4.2V cylindrical cells for OEM assemblies & industrial electronics.

Bulk source Kingchi 21700 5500mAh (3.6V, 19.8Wh) cylindrical cells. Reliable high-capacity lithium battery manufacturing for global industrial OEMs.

Wholesale Kingchi 26650 sodium-ion cylindrical cells (3050mAh, 3.0V). Cobalt-free rechargeable cells for e-bikes, energy storage & power tools.

Bulk source Kingchi 3.6V 18650 cylindrical cells (2000mAh-3800mAh). Custom battery pack OEM/ODM manufacturing and high-volume industrial wholesale.
From initial application analysis to rapid sampling and full-scale manufacturing, Huizhou Kingchi Energy Technology Co., Ltd. provides a streamlined 3-step pathway to deliver high-performance, tailored power solutions.
Submit your project specifications, operating environment constraints, and performance targets. Our engineering team evaluates your parameters—such as extreme temperature tolerance or specialized dimensions—to build a targeted project framework.
Our specialized team develops an actionable design configuration, selecting the ideal cell chemistry, structural design, and protective management system. We deliver a detailed feasibility assessment and commercial quotation optimized for your B2B timeline.
We manufacture functional prototypes for rigorous testing and environmental verification. Once the design meets your strict performance standards and compliance criteria, we proceed to advanced mass production at our factory.
Perfect for new equipment development, drop-in replacement upgrades, high-drain industrial machinery, and mission-critical applications operating under extreme field environments.
Every custom pack undergoes rigorous structural testing and electrical verification before leaving our plant. We ensure high consistency and standard-compliant stability across every single procurement batch.
We leverage over a decade of production excellence to coordinate efficient component sourcing and secure cross-border shipment, keeping your project implementation on schedule and within budget.
Share your application, dimensions, and performance requirements with us. Huizhou Kingchi Energy Technology Co., Ltd. is ready to deliver tailored OEM/ODM engineering and direct factory manufacturing support for your next B2B project.
