A new APS 3000 mAh NiMH Battery keeps Roomba running at peak performance, cleaning up to four rooms in a single cleaning cycle.*

Replacement Battery for 500 Series Roomba Vacuum Robots Built-in scheduling system to easily program up to seven days and times per week for Roomba to vacuum--whether you're at home or on the go Virtual Wall Lighthouses keep Roomba cleaning one room and then guide it to the next Automatically returns to its Home Base to dock and recharge between cleanings Reaches deep into your carpet to remove dirt, dust and pet hair Efficiently cleans the whole floor, under and around furniture and along walls Automatically adjusts to vacuum carpets and hard floors Senses dirtier areas and cleans more thoroughly in those spots Simple to use, just press the Clean button Anti-tangle technology; gentle-touch bumper system; built-in cliff sensors Self-charging Home Base, 2 Virtual Wall Lighthouses, and an extra filter Covers up to 4 rooms on a single battery charge Spot Clean provides quick clean-up of spills and concentrated messes Automatically senses and avoids stairs and other drop-offs

Charges faster and runs 25% longer than standard battery, with a 50% longer life

The time-saving Advanced Power System (APS) Fast Charger cuts Roomba Red's charging time in half. Connects to the robot to charge APS battery in less than 3 hours. (Roomba Red can take up to 7 hours to charge without APS Fast Charger...

Features and Benefits * NIMH High Power 14.4V 3800mAh rechargeable battery * 70 oC thermistor installed in the battery pack. Power will be cutt off if battery temperature beyond 70oC during charging to prevent from over charge...

Product Features- Generic Roomba Battery, Fits 400 Discovery Series, Create Models, and Irobot Dirt Dog Series robotic vacuum cleaners.- Comparable to iRobot Roomba Advance Power System (APS) model 4905...