The 21700 40T/50S Cylindrical Lithium Li-Ion Battery is a high-capacity, high-drain rechargeable cell designed for demanding applications. With a capacity of 4800mAh–5000mAh, nominal voltage of 3.7V, and a high discharge rate of up to 45A, this INR21700 battery ensures reliable performance for power-hungry devices. Suitable for e-bikes, EVs, power tools, UAVs, solar storage systems, and backup power solutions, it provides efficiency, durability, and long cycle life.