Mugen Power 3000mAh Extended Lithium Li-Ion Rechargeable Replacement Battery with Large Size Battery Door for BlackBerry Storm 9530 Made specifically for the BlackBerry Storm 9530 3000mAh battery delivers more than twice the power of the original BlackBerry Storm 9530 Perfect to use as a spare or as a replacement for your old battery Includes one Black Extended Battery Door, which is needed to accommodate larger battery size Compatible with: BlackBerry Storm 9530