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dbj***
Nominal Voltage:Other;Nominal Capacity:6AH;Battery Type:cylindrical;
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33 days ago
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Nominal Voltage:Other;Nominal Capacity:6AH;Battery Type:cylindrical;
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Nominal Voltage:Other;Nominal Capacity:6AH;Battery Type:cylindrical;
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Nominal Voltage:Other;Nominal Capacity:6AH;Battery Type:cylindrical;
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Nominal Voltage:Other;Nominal Capacity:6AH;Battery Type:cylindrical;
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Nominal Voltage:3.2V;Nominal Capacity:6AH;Battery Type:cylindrical;
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Nominal Voltage:3.2V;Nominal Capacity:6AH;Battery Type:cylindrical;
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Nominal Voltage:3.2V;Nominal Capacity:6AH;Battery Type:cylindrical;
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Nominal Voltage:3.2V;Nominal Capacity:6AH;Battery Type:cylindrical;
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zwc***
Nominal Voltage:3.2V;Nominal Capacity:6AH;Battery Type:cylindrical;
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Customer Reviews
21700 40T 3.6v 4000mAh lithium ion battery
$4.8$7.2-33.33%
Nominal Voltage:
Other
3.2V
Nominal Capacity:
6AH
Battery Type:
cylindrical
Quantity:
Add to Cart
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Features
21700 40T 3.6V 4000mAh Lithium-Ion Battery
High-capacity 21700 lithium-ion cell with stable 3.6V output and 4000mAh energy density, ensuring extended runtime for power-hungry devices. Premium NMC chemistry enhances thermal stability and cycle life, supporting 1000+ charges at 80% capacity retention. Precision-built with ultra-thin 0.1mm electrode layers and laser-welded terminals for minimal internal resistance (＜15mΩ). Includes multi-protection PCB against overcharge/overheat. Ideal for high-drain applications: electric tools, vaping mods, solar storage, and DIY power banks. Bulk orders available at wholesale-exclusive pricing—global shipping with guaranteed lowest rates.
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Description
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