Replacement laptop battery for Dell laptops & notebooks, models include various Latitude and Precision units. This 8,157 mAh Lithium-Ion battery is rated at 7.6V and has an average run time of Up to 5.0 Hours. The longevity rating is 300-500 Cycles and it comes with a 1 year warranty. Micro Center offers HP laptop battery replacement and installation services to ensure your laptop will be back up and running quickly ask the store for details. This is an OEM replacement for Dell part numbers including 6MT4T, HK6DV, 79VRK, TXF9M. See the specs tab for detailed Dell laptop compatibility.