The BSNO4170A5-AT battery for Lenovo Miix 520, 510, and 510-12IKB laptops is engineered for exceptional longevity, featuring a robust design that supports an extensive cycle life. With a rated capacity of 4955mAh and 38Wh at 7.68V, this original Lenovo battery ensures consistent performance over numerous charge cycles. Designed to adhere to strict OEM standards, it incorporates advanced cell technology that enhances durability, allowing for more than 500 full cycles before reaching 80% of its original capacity. This means the battery maintains strong performance and reliability even after prolonged use. Equipped with safeguards against overcharging, overheating, and short circuits, the BSNO4170A5-AT not only offers peace of mind but also extends the lifespan of your device, making it a reliable choice for users seeking sustained power and efficiency over time. Keep your laptop powered without frequent replacements, thanks to the impressive cycle life of this high-quality battery.