iRobot Authentic Parts - XLife Extended Life Battery - Compatible with Roomba 400/600/700/800 Series Robots 1 iRobot XLife Extended Life Battery. Robot run times remain the same between recharges Delivers up to 2x the battery cycle lifetime. Use Roomba as directed for longest battery life Compatible with Roomba 500/600/700/800 Series Robots, Authentic part manufactured by iRobot Note: Please refer to the User manual (Page 2 and 6 ) for optimum battery performance. Battery lifetime varies with home environment and usage