Specifications: This D820 Battery 87 WH replacement for Dell laptops features a 7800 mAh capacity and 87 WH power. It is designed with high-efficiency cells to ensure long-lasting performance, offering a complete power solution for your Dell Latitude and Precision series laptops. Compatible Laptop Models: Universal compatibility with Dell Latitude Series: D531, D531N, D820, D830; Dell Precision Series: M4300, M65, M65 Mobile. Compatible Part Numbers: 0MM160, 310-9122, 310-9123, 0393, 0394, 0401, 0402, 0537, 0538, 10308, 10309, 10326, 10327, 10410, 10411, CF623, CF704, CF711, DF192, DF230, DF249, FF231, FF232, GX047, MM165, XD735, XD736, XD739, YD623, YD624, YD626, CW666, CW674, GR932, HR048, HX306, JT784, WN979. Reliable Power Source: Count on this D820 Battery 87 WH replacement to deliver consistent performance for your Dell laptop models. Ideal for devices like the Dell Latitude D531, Dell Latitude D820, Dell D830, and Dell Precision M4300, M65, this battery ensures your lapto