Product description: Unitree B2 Robot Battery - 45000 mAh
The B2 battery is a key power supply component for the Unitree B2 quadruped robot , designed for long-term operation under heavy load. With a voltage of 50.4 V , a high capacity of 45 Ah , and a total energy of 2268 Wh , it provides a stable and efficient power source that allows for even the most demanding tasks. The integrated BMS (Battery Management System) monitors battery performance in real time, protecting the cells from overload, overheating, and excessive discharge. This translates into operational safety, longer service life, and the robot's uninterrupted readiness for operation.
Before using the battery for the first time, make sure it is fully charged.

The battery has a nominal voltage of 50.4 V and a large capacity of 45 Ah (equivalent to 2268 Wh of energy).
Main features of the battery
- Nominal voltage 50.4 V: ensures stable power supply to the drive units
- Capacity 45 Ah (2268 Wh): allows for many hours of work in industrial conditions
- Advanced BMS: voltage, current and temperature monitoring - full safety control
- Thermal and short circuit protection: prevents breakdowns and extends cell life
- Dedicated Compatibility: Designed exclusively for use with the Unitree B2 robot
- Solid construction: resistant to vibrations, shocks and external factors
Practical applications
The Unitree B2 battery is used in mobile robots for transportation, inspection, logistics, and field research. Its high energy capacity allows the B2 robot to operate for extended periods without interruption for charging , which is crucial in industrial environments where operational continuity and power reliability are essential.
Battery technical specifications
- Nominal voltage: 50.4 V
- Capacity: 45 Ah
- Total energy: 2268 Wh
- Cell type: lithium-ion
- Management system: built-in BMS
- Compatibility: Unitree B2 robot
- Construction: resistant to shocks and external conditions
Contents of the set
- 1x Unitree B2 Battery
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