21700 lithium-ion cells

21700 lithium-ion cells are high-capacity, cylindrical rechargeable batteries (21mm x 70mm) commonly used in electric vehicles, power tools, and high-drain electronics,offering superior energy density and runtime compared to 18650 cells.

The 21700 DMEGC 3.7V 4500mAh Lithium-Ion Cell is a high-capacity rechargeable battery designed for demanding applications. It offers a stable voltage output of 3.7V and a large 4500mAh capacity, making it ideal for high-performance devices. With a robust design, this cell ensures long-lasting durability and reliable energy storage. Its compact 21700 size delivers superior energy density while maintaining efficient thermal management. The cell supports a wide range of uses, from power tools to electric vehicles and energy storage systems. Advanced safety features protect against overcharging, over-discharging, and short circuits, ensuring secure operation.