The 21700 50E Li-ion Battery is a high-capacity rechargeable cylindrical cell offering 5000mAh capacity and 3.6V nominal voltage, designed for reliable performance in various high-energy applications. With a maximum continuous discharge current of 15A, it delivers efficient power output for devices like e-bikes, power tools, UPS, energy storage systems, and electric vehicles. Its long cycle life, stable chemistry, and durability make it ideal for both industrial and consumer electronics applications.