Below is a group product of iRobot battery.
Product List
Voltage:7.2V
Capacity:2.0Ah
Cell:Ni-Cd
Specification:7.2V Nickel Cadmium for iRobot Looj Gutter ...
[Last Updated: 2009-11-26]
Voltage: 14.4V
Capacity:3.0Ah
Cell:Ni-Mh
Specification:Rechargeable battery for Roomba 400 Series, ...
[Last Updated: 2009-11-26]
Voltage: 14.4V
Capacity:3.5Ah
Cell:Ni-Mh
Specification:Nickel-Metal-Hydride battery is ...
[Last Updated: 2009-11-26]
Voltage: 14.4V
Capacity:3.0Ah
Cell:Ni-Mh
Specification:Replacement battery for all Roomba 500 ...
[Last Updated: 2009-11-26]