CREABEST 2Packs 12V 3.5Ah Replacement Battery for Black and Decker HPB12This battery pack includes two 12-volt Ni-MH replacement batteries and a charger for compatible power tools. Each battery delivers 3500mAh capacity for extended runtime between charges. The Ni-MH cells provide more capacity and safety than older Ni-Cd technology, and the built-in protection circuits prevent overcharge, overdischarge, and short circuits. The charger features LED indicators showing charging status and accepts input from 100-240V for international poundsProductdimensions5.5 x 4.9 x 6.1 inchesMaterialP