The product is a laptop battery compatible with Dell Studio 15 models 1535, 1536, 1537, 1555, 1557, 1558, and PP33. It has a battery capacity of 7800 Milliampere Hour (mAh) and comes with 1 Lithium Ion battery included. The package dimensions are 12.17 x 3.27 x 2.09 inches and the item weight is 1.15 pounds. This battery is designed for recommended use with laptops and features Lithium Ion battery cell composition, making it a reliable choice for keeping your device powered up and ready to go.