See also
ALBattery, Replacing the battery, Charging the battery
NAO Technical overview | NAO H25 | NAO H21 | NAO T14 | NAO T2
The following table describes the battery specifications.
| Battery type | Lithium ion |
|---|---|
| Nominal voltage/capacity | 21.6 V / 2.15 Ah |
| Max charge voltage | 24.9 V |
| Recommended charge current | 2 A |
| Max charge / discharge current | 3.0 A / 2.0 A |
| Energy | 27.6 Wh |
| Charging duration | ~ 5h00 |
| Autonomy | ~ 60 min (active use) ~ 90 min (Normal use) |
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.