GPK Systems Battery Charger for Irobot Roomba 405 410 415 416 418 4000 4100 4105 4110 4130 4150 4170 4188 4210 4220 4225 4230 4232 4260 4296 Series Dirt Dog Discover Vacuum Cleaning Robot Input: 100 - 240 V (worldwide use) Output Voltage Range: 22.5V - 1.25A Service & Support 1 year warranty Designed exclusively for use with the laptops 100% compatibility with the original Replacement power supply AC power adapter was tested to match and/or exceed original product at low price.