3600mAh Extended Capacity Battery for Black and Decker 18V Replacement Battery Pack HPB18 HPB18-OPE 244760-00 A1718 2-Pack Plastic and Electric core Imported Brand New |Rechargeable Ni-Mh |18 Volts |3600mAh |64.8Wh Replace for Black & Decker Cordless Power Tools HPB18-OPE HPB18 A1718 A18 A18E Firestorm FS180BX FS18BX FS18FL FSB18 NST2118 No memory effect, can be charged or discharged as needed without loss of capacity Inspected and tested before leaving the factory, Products are CE certified, tested by manufacturer to match OEM products All Topbatt products come with 30 days money back and 12 month limited warranty, and 24 hours' friendly customer service! Any questions, please contact us in time.