This Dell HP287 battery is compatible with the Dell Inspiron 1525, 1526, 1545, 1546 and 15 Series laptop models. It is also compatible with the Dell GW240, RN873 and X284G part numbers.
This HP287 battery is rated at 5200 mAh or 58 Whr. This is the highest rating available for a 6 cell battery pack. The higher the mAh rating, the longer your battery will run before it needs to be recharged again. There are no compatibility issues if your existing battery is rated at 4400 or 4800 mAh or a lower Whr. It just means this battery will last longer than the original.
This battery uses the highest quality lithium-ion battery cells an components. We're so confident in the quality of our laptop batteries that each one is backed by a 2 year warranty and 30 day guarantee.