Green 14500 Li-ion Battery 1800mAh 3.7V

A 14500 lithium-ion rechargeable cell with a nominal voltage of 3.7V. The 14500 size is physically close to AA size, but it is not a direct replacement for standard AA 1.5V batteries because the voltage is much higher. It is suitable for compatible lithium-powered flashlights, small battery packs, electronic projects, and DC devices designed for 3.7V lithium cells.