GERIT BATT 3.6Ah Replace Black and Decker 18V Battery HPB18 HPB18-OPE 244760-00 FS18FL FSB18 Firestorm Power Tool 2-pack Replacement Black Decker Battery Type: NI-MH, Voltage: 18V, Capacity: 3600mAh (attention it is 36AH, not 3.0AH) capacity offering long-lasting performance and durability Reliable service life,Really capacity,long-lasting performance, Low Internal Resistance.Compatible with FS18HV, FS18ID, FS18PS HPB18 HPB18-OPE 244760-00. Built-in High quality Cells to provides optimized performance and overload protection using total system communication between tool, battery and charger.No memory effect. Can be charged or discharged as needed without loss of capacity. The new upgraded 3.6AH battery has a clear difference from the other battery. not only improving in capacity, but also made a lot of performance .providing up to more run time, holds a charge longer than other batteries. All of the products are CE FCC, ROHS certified, tested by manufacturer to match OEM products and exported all around the world.Longer Lasting&Battery Safety. GERIT BATT 30 days money back and 1 year manufacturer warranty guarantee and 24 hours online service