High-Capacity 18650 & 21700 Li-ion Batteries
Premium 3.7V lithium-ion power cells with options for 1200mAh to 2600mAh capacities, engineered for extended runtime and stable discharge. Features precision-welded terminals and ultra-thin separators for enhanced conductivity and heat dissipation.
Industrial-Grade Performance
Built with high-density lithium cobalt oxide cathodes and graphite anodes, delivering consistent voltage output. Ideal for flashlights, power tools, medical devices, and backup power systems. Reinforced steel casing resists corrosion and physical impact.
Wholesale-Optimized Bulk Pricing
Direct factory sourcing ensures unbeatable unit costs for large orders. Customizable batch quantities with OEM/ODM support available. Ships globally with strict voltage/power testing compliance.
Safety-Certified Reliability
Multi-protection PCB prevents overcharge, short-circuit, and overheating. UL/CE/RoHS certified for consumer electronics and industrial applications. Storage-friendly design with low self-discharge rate.






























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3C 5C Li-ion Battery High Capacity Lithium ion Power Cell 3.7V 18650 1200mah 2600mah 21700 Li Battery Cylindrical Battery
$0.76$1.41-46.1%
Nominal Voltage:
3.7v
Nominal Capacity:
1200mAH
Battery Type:
cylindrical
Quantity:
Add to Cart
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