Genuine OEM Dell 9-Cell 90Wh Laptop Notebook Battery Li-Ion Type 4M529 Precision M2400 M4400 M4500 Mobile WS M1RPP N221R TM8K0 VVX2P WG351 XP394 PT650 J905R FU441 KY470 KY471 MP492 MP494 PT653

This battery is compatible with the battery and model numbers in the description. All batteries come with a 30 day money back gaurantee and a full 12 month warranty. The cheap batteries you see online are that cheap for a reason. Your battery can arrive as ealry as 8:30 am the next business day in most major metro areas. If you have any questions call us today and speak to an American customer service representative. Click on the link in the description and you'll be taken right to our product page.