Replacement Black & Decker VersaPak VP510 Battery; Quantity: 2 Replacement for Black & Decker 3.6V Power Tool Batteries One Year Warranty Capacity: 1300mAh, Upstart Battery Brand Please note: This is a 4.5" long battery pack, does NOT replace Type 2 (shorter battery) and cannot work with Black & Decker Floorbuster (VP105 battery) 2 Black & Decker VersaPak VP510 Battery - Replaces Black & Decker 3.6V Power Tool Batteries (1300mAh, NICD, One Year Warranty)