B1 User Manual
© 2022 All rights reserved, Unitree Robotics 17
Technical Specifications
Rated Voltage (Power Supply) 51.8V
Rated Electric Current (Power Supply) None Electric current jump
Rated Voltage (Power Supply) 58.8V
Rated Electric Current (Power Supply) 15A
Rated Capacity 18000mAh,932.4Wh
Run Times About 2.5-3h
Battery Pack Functio
1) Power display: The battery has its own power indicator, which can display the current battery power.
2) Battery storage self-discharge protection: The battery will start self-discharge to 65% power to protect the
battery when the battery power is higher than 65% without any operation and stored for 10 days. Each self-discharge
process lasts about 1 hour. There is no LED light indication during the discharge period. It is a normal phenomenon and
that there may be a slight heat.
3) Balance charging protection: Automatically balance the voltage of the internal cells of the battery to protect
the battery.
4) Overcharge protection: Overcharging will seriously damage the battery, and it will automatically stop charging
when the battery is fully charged.
5) Charging temperature protection: Charging will damage the battery when the battery temperature is below -
5°C or above 55°C, and the battery will lead to abnormal charging.
6) Charging electric current protection: High electric current charging will seriously damage the battery. When
the charging current is more than 15A, the battery will stop charging.
7) Over-discharge protection: Over-discharge will seriously damage the battery. When the battery is discharged
to 40.6V, the battery will cut off the output.
8) Short circuit protection: In the event of a short circuit detected by the battery, the output will be cut off to
protect the battery.
9) Battery load detection protection: When the battery is on, if there is no electrical equipment is connected, the
battery will automatically shut down after 3 seconds.
10) Waterproof and dustproof function: The protection level is not less than IP67 after installing the battery pack
to B1 correctly.
11) Abnormal charging display: The battery pack LED light can display relevant information about battery
protection triggered by abnormal charging.
Before using the battery pack, please read and strictly abide by requirements made by Unitree Robotics in the manual,
the disclaimer, the sticker on the surface of the battery pack and the surface of the special charger. The consequences of not
using it as required shall be borne by the users.
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