SoftBank Robotics documentation What's new in NAOqi 2.8?



NAO can be used while it is plugged in with the adapter. But the battery will charge only if NAO is powered off and plugged to its adapter.

For the related ALMemory keys, see: Battery Sensors.


The following table describes the battery specifications.

Type Lithium-Ion
Nominal voltage / capacity 21.6V / 2.9Ah
Max charge voltage 25.2V
Recommended charge current 1.8 ~ 2.1A
Max charge / discharge current 2.1A / 2.0A
Energy 62.5Wh
Charging duration 90 min
Power plugged not available (See: BatteryPowerPluggedChanged())