The DENAQ 9 - Cell 80Whr Li - Ion Laptop Battery is designed specifically for Dell Latitude D810 and Precision M70 notebooks. With a capacity of 7400 mAh and an output voltage of 10.8 V DC, this battery ensures reliable and prolonged usage, making it ideal for both home and on - the - go charging needs. Its proprietary battery size is smaller and lighter than other rechargeable batteries, enhancing portability without compromising performance. This environmentally friendly battery is a perfect replacement for older models, providing dependable usability and maximum productivity.