Powerextra 3.0Ah 18V Replacement Battery for Black&Decker A1718 A18NH HPB18 HPB18-OPE Powerextra Black&Decker HPB18 Replacement Battery |Brand New |NI-MH|18 Volts |3000 mAh |54Wh Professional Replacement Battery for Black & Decker HPB18 HPB18-OPE 244760-00 A1718 Fully compatible with Black & Decker NHT518, NPP2018, NPT3118, NS118,etc Package include:1*3.0Ah NI-MH Black&decker 18V Batteries,1*pair of gloves Battery Storage - If you don't plan on using the Power Tool Battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use.