The SB03XL laptop battery for HP EliteBook models is designed not only for high performance but also with longevity in mind. It features a capacity of 4090mAh and delivers 11.25V with a watt-hour rating of 46Wh. This battery is typically rated for up to 500 full charge cycles under ideal conditions, which translates to several years of regular use before experiencing significant capacity degradation. The cycle life indicates how many times the battery can be charged and discharged before its capacity falls to about 80% of its original level. Proper maintenance, such as avoiding deep discharges and keeping the battery at moderate temperatures, can help maximize the cycle life of the SB03XL and ensure reliable power for your device over time. Compatible with various HP EliteBook series laptops, this battery offers both durability and efficiency, making it an excellent choice for users requiring sustained performance from their devices.