The Y50-70 Lenovo laptop battery is a high-performance replacement with a nominal voltage of 7.4V and a capacity of 54Wh (7400mAh). Engineered for longevity, this Li-ion battery boasts an impressive cycle life, capable of maintaining its performance through up to 500 full charge cycles under optimal conditions. It offers stable power delivery and extended runtime, ideal for demanding tasks and mobility. The battery features built-in safety protections against overcharging, overheating, and short circuits, ensuring safe operation. Certified with CE and RoHS, it meets international standards for quality and environmental compliance. Designed specifically for Lenovo Y50-70, Y70-70, and Y50P-70 models, this battery guarantees seamless compatibility and reliable performance. Its durable cell design ensures sustained efficiency over time, making it a dependable choice for everyday use. Lightweight and easy to install, it helps keep your laptop running smoothly without adding bulk. With proper care, such as avoiding deep discharges and keeping the battery at moderate temperatures, users can maximize the battery's lifespan and reliability.