Extended battery lifeWith a capacity of 3800 mAh and 42 Wh, this notebook battery ensures prolonged usage, allowing you to work or play without the constant need for a power source.Reliable performanceThe 3-cell lithium-ion technology offers a stable and safe power supply, ensuring your device operates efficiently with a voltage provision of 11.1 V.Seamless compatibilityDesigned to be equivalent to Dell's OEM batteries including models 05R9DD, 5R9DD, KTCCN, and XKPD0, this battery offers a perfect fit and reliable performance for specific notebook models.