Replacement iRobot Roomba 536 Battery, Filter, Bristle Brush, Flexible Beater Brush, 3-Arm Side Brush, Brush Cleaning Tool - Kit Includes 1 Battery, 1 AeroVac Filter, 1 Bristle Brush, 1 Flexible Beater Brush, 1 3-Arm Side Brush, 1 Brush Cleaning Tool Replacement iRobot Roomba 536 Battery, Filter, Bristle Brush, Flexible Beater Brush , 3-Arm Side Brush and Brush Cleaning Tool For Newer Version of the Roomba 536. Please check your Roomba to make sure you are purchasing the correct parts Battery Capacity: 2000mAh, Voltage: 14.4, Type:Nickel-Cadmium One Year Warranty On Sale for a Limited Time!