High Capacity NiMH Battery;Capacity:3000mAh,Voltage:14.4V,more other capacity for choice
High Drain! 20% more charging cycles compared to the standard battery!
50% more capacity and extra power compared to the standard battery!
Compatible with iRobot Roomba 400,Roomba 4000,Roomba 4100,Roomba 4210,iRobot 4905 series vacuum cleaner;
1-YEAR Manufacturer Warranty.