Go to Amazon Sites : http://www.amazon.com/gp/product/B006OU9W72?tag=shitmycatsrea-20
Bavvo 9-cell Laptop Battery for DELL Inspiron 6400 E1505 1501 E1501 Latitude 131L Vostro 1000
High quality brand-new Li-Ion batteryVoltage 111v Capacity 6600MAH 9 cells
30-Day Money Back Guarantee 1 Year Warranty
OEM compatible High capacity battery certified by CE and RoHS This battery was tested and proven to match andor exceed original specifications of DELL products
Before purchase please make sure all the technical specifications and the model No match with your laptop battery
If your original battery is a 6-cell battery this 9-cell battery has much higher capacity and works longer hours after each charge However it is bigger heavier and sticks out due to the extra 3 cells It will still fit in your laptop