The Nitecore NL214HP is a power li-ion 21700 battery that features a reliable performance with a high discharge rate. This cell is capable of a 15A Continuous Discharge, making it a great choice for demanding electronics that require a higher than average amperage. The NL21HP also comes with a 4500mAH energy capacity, a long-lasting cell that will keep your devices powered up longer than competing batteries. These high quality 21700 batteries are designed for use in various high-quality electronics as well as Nitecore brand LED Flashlights.