Irobot roomba 500 battery fit:
Roomba 500, Roomba 510, Roomba 530, Roomba 532, Roomba 535, Roomba 540, Roomba 550, Roomba 560, Roomba 562, Roomba 570, Roomba 580
The original irobot roomba battery No.:80501
Voltage:14.4v
Cell type:NI-MH
Cell type:NI-MH
Capacity:3.3Ah