This is a New Dell Original Battery. Compatible Notebook Models: This battery for Dell Precision M70 and Latitude D810. Dell Part Numbers: 310-5351, 312-0279, 312-0336, C5331, C5340, D5505, D5540, F5608, F5616, G5226, Y4367. Product Specifications: Rating: 11.1V Capacity: 80 Whr Size: 5.93" x 3.06" x 0.80" Color: Grey Technology: Lithium-Ion Condition: Brand New In Stock: Yes