iRobot Roomba 600 Series - Manual (Page 12)

12 iRobot Roomba 500 Series
CLEAN button light Battery status
Solid red
Battery empty
Amber pulse Charging
Solid green Fully charged
Quick amber pulse 16-hour refresh charge
TIP: When Roomba is on the Home Base, always make sure that the Home
Base power light is on.
Or
Charging Roomba
Charge Roomba in one of two ways:
Charging Lights
Roomba uses the CLEAN button light to indicate that it is charging. Use
this chart to determine the status of the battery.
CLEAN/Power
Button
Using the Home Base Using the Power Supply Only