Lithium Ion for long battery life and outstanding performance; Always ready holds a charge for upto 18 months. Long life, Lightweight, and no memory effect.Suction Power 15.2 AW; Dustbowl Capacity: 20.6 ounces
NOTE: The instruction manual does reference mounting brackets and screws, but it is for a different base that is not included with this model (applicable model is referenced in the manual). The instructions include information on both bases.