Specifications of Battery: Voltage: 3.6V Capacity: 4000mAh Type: Ni-MH Specifications of Charger: Input voltage: 100-240V Input current: 0.8A Fit Voltage: 1.2-18V Output: 27V / 1.5A(1-7cell)/1A (8-15cell) Type: Ni-MH Compatible Battery: Black&Decker: 383900-004, 151995-02, 388183-00 This is a 4.5" long battery pack, does NOT replace for the Type 2 one (It is shorter ) Applicable Machines: Black&Decker: S100, S110, VP7221C, VP600, VP660, VP100, VP110, VP130, VP1800-A T1, VP215-A T1, VP321, VP230, VP368, VP510, VP130K, VP650, VP7251C, VP940, VP2000, VP3621, VP4000, VP4100, VP4200, VP4300, VP7221, VP7251, VP-100.
eBay