CNNTNY's 18650 Deep Cycle 3500mAh Rechargeable Battery offers high capacity and long cycle life (up to 800 cycles), ideal for laptops, toys, power tools, and electric vehicles. Featuring NCM cathode material and semi-solid state technology, it ensures stable performance across wide temperature ranges (-20-60℃). Lightweight, durable, and engineered for energy storage and consumer electronics applications.More
