3.7V 18650 Lithium-ion Battery

• 18650 is a standard lithium-ion cell measuring 18mm x 65mm, offering higher capacity and discharge rates than AA batteries. • Ideal for high-drain devices like flashlights, laptops, and power banks due to their energy density. • Available in both flat-top and button-top configurations to suit different device requirements. • Typically rated for 300-500 charge cycles, providing a long lifespan for rechargeable use. • Offers superior capacity compared to alkaline batteries, reducing replacement frequency. • Rechargeable nature makes them cost-effective over time despite a higher initial purchase price.