26650 Cells

Referring to the 26 mm diameter and 65 mm length, 26650 cells are large, cylindrical, and rechargeable lithium batteries. They are apopular alternative to smaller 18650 cells due to their high capacity, strong discharge rates, and long cycle life. 26650 cells are typically used in high-drain devices, such as industrial and public safety portable lighting, as well as backup power supplies, medical equipment, EVs, e-bikes, energy storage, RV and marine equipment, portable medical equipment, and robotics.