Pwr+ High-Capacity Battery for Irobot-Roomba 400 405 410 415 416 418 4000 4100 4105 4110 4130 4150 4170 4188 4210 4220 4225 4230 4232 4260 4296 400-Discovery-Create Dirt-Dog-Schedular This unit is compatible with all Roomba 400 Series FloorVac models PWR+ products were tested by manufacturer to match and/or exceed original specifications of iRobot products PWR+ batteries are made with the highest quality materials. Warranty: 1 Year Real High Capacity 3Ah Battery ! Watch out for Cheap 3-3.5Ah Extended Capacity Batteries (Label Capacity is 3Ah - True Capacity is 2Ah - Read Product Reviews) !