Powerextra 14.4v 3000mAh Battery Compatible with Irobot Roomba 400 405 410 415 416 418 4000 4100 4105 4110 4130 4150 4170 4188 4210 4200 4220 4225 4230 4232 4260 4296 Dirt Dog Discover Scheduler Products are CE certified, tested by manufacturer to match or exceed specifications of OEM products. Integrated microchip prevents overcharging & lengthens battery life Ni-CD battery, 3.0Ah Capacity, 14.4V made with high quality battery cells High quality, high capacity battery for longer running time.convenient to use (Value, Dependability, Quality) Ships Directly from California, USA delivered FAST