Shop rechargeable 18650 Li-ion batteries for flashlights and other compatible devices. Explore protected and unprotected 18650 cells, button-top and flat-top options, and high-drain batteries from Molicel, Samsung, Panasonic, Vapcell and other trusted manufacturers. For high-performance options, browse our Molicel 18650 batteries, choose the right 18650 battery based on capacity, discharge current, size and device compatibility,