NAO - Battery

NAO - Technical overview | NAO H25 | NAO H21 | NAO T14 | NAO T2


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.

Battery type Lithium ion
Nominal voltage/capacity 21.6 V / 2.25 Ah
Max charge voltage 25.2 V
Recommended charge current 1.8 A
Max charge / discharge current 2.3 A / 2.0 A
Energy 48.6 Wh
Charging duration < 3h00
Autonomy ~ 60 min (active use) ~ 90 min (Normal use)
Power plugged not available (See: BatteryPowerPluggedChanged())