Topbatt 12v 3.0Ah Replacement Battery for Black and Decker HPB12 A1712 A12 A12-XJ A12EX FS120B FSB12 Brand New |12 Volts |3000 mAh |Rechargeable Ni-Mh |36Wh Compatible with Black & Decker 12-Volt tools HPB12 A12 A12-XJ A12EX A1712 FS120B FSB12 FIRESTORM FS120B FSB12 Tested by manufacturer to match or exceed specifications of OEM products. No memory effect, can be charged or discharged as needed without loss of capacity. 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.