# SoftBank Robotics documentation What's new in NAOqi 2.8?

# Battery

See also

Charging the battery

## Charger specifications

Charger input voltage | Minimum | Maximum | Nominal (rated)
--- | --- | --- | ---
Low range | 90 vac | 140 vac | 100 vac
High range | 180v ac | 265v ac | 240v ac

Output: 29,2 V DC - 8A

## Battery specifications

Battery type | LITHIUM-ION
--- | ---
Max. Charge Voltage (battery) | 29.4V
Nominal Voltage | 26.46V
Charging Method | Constant Current / Constant Voltage
Max. Charge Current | 8A
Typ. Capacity | 30Ah
Energy | 795 Wh
Minimum Capacity | 29.5Ah
Cycle Life | Min. 300 ≥ 20.65Ah (70% of the capacity at 25°) Expected 1000 ≥ 70% of the capacity at 25°C
Current use in Active Mode | Max. 3.5mA (battery electronic)
Current use in Stand-by Mode | Max. 850μA (battery electronic)
Current use in power down Mode (V<2.5V per cell) | Max. 50μA (battery electronic)
Operating Temperature | For Charging: 0 to + 50°C For Discharge: 0 to + 50°C The battery is thermal protected and interrupts charge / discharge when temperature limits violated
ESD (EN 61000-4-2 / 12.2009) | 8 kV air discharge 4 kV contact discharge

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

For the related ALMemory keys, see: Battery.

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