The EU Stock 100% Original 21700 50GB 5000mAh Lithium-Ion Battery is a high-capacity rechargeable cell designed for e-bikes, power tools, energy storage systems, and consumer electronics. With a nominal voltage of 3.6V/3.7V and 10A continuous discharge current, this 21700 cell delivers stable performance, long cycle life, and reliable safety. It is widely used in Samsung 50GB battery packs for efficient and durable power solutions.