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SINC 3.2V 21700 Lithium Battery adopts a steel shell, providing higher energy density than small batteries, good consistency, mature technology, recyclable charging, universal, multi-purpose, energy-saving and environmentally friendly. When using, it is necessary to choose the appropriate battery according to the size of the battery slot and the required power. Suitable for consumer products, PACK factories, etc.

Factory Direct 21700 Rechargeable Battery 21700 3000mAh 3C Lithium Battery

Battery type: Lithium iron phosphate cylindrical battery

Battery size: Diameter 21, Height 70

Battery capacity:  3000mAh

Key Features

High Cycle Life: Supports over 2000 charge-discharge cycles at 80% depth of discharge, ensuring long-term efficiency.

Thermal Stability: Utilizing LiFePO₄ chemistry, this 21700 Lfp Cell minimizes thermal runaway risks even under extreme conditions.

High Discharge Capability: Offers a continuous 10C discharge rate (e.g., 45A for a 4200mAh cell), making it perfect for power tools and electric vehicles.

Wide Temperature Range: Operates reliably from -20°C to 60°C, with select variants capable of enduring temperatures as low as -40°C.

Low Self-Discharge: Exhibits a monthly self-discharge rate below 3%, guaranteeing long-term storage readiness.

With over a decade of expertise in lithium battery innovation, SINC has become a recognized leader in the energy storage industry.