B2-W High-Temperature Fast Charging Battery
B2/B2-W High-Temperature Fast Charging Battery is a high-performance rechargeable battery designed for the Unitree B2 and Unitree B2-W robots. It is engineered for reliable operation in extreme heat while supporting rapid charging for reduced downtime.
With a 40500mAh rated capacity and 2041.2Wh energy capacity, the battery provides dependable power for industrial inspections, autonomous missions, and demanding field operations. It operates at a 50.4V rated voltage with a 58.8V charging limit voltage.
This battery is optimized for high-temperature environments such as steel mills, deserts, and Middle Eastern regions, where conventional batteries may experience reduced performance. When paired with a compatible fast charger, it can be fully charged in approximately 1 hour, helping maximize robot availability.
Key Features
High-Temperature Performance
Designed for continuous operation in demanding, high-heat environments.
Fast Charging Support
Supports rapid charging and can reach a full charge in approximately 1 hour with a compatible fast charger.
High-Capacity Power
Provides 40500mAh capacity and 2041.2Wh of stored energy.
Wide Operating Range
Built to operate reliably in temperatures up to 80°C.
Compatible with B2 and B2-W
Designed for seamless compatibility with both Unitree B2 and Unitree B2-W robots.
Technical Specifications
| Feature | Specification |
|---|---|
| Product Model | B2/B2-W High-Temperature Fast Charging Battery |
| Compatible Robot | Unitree B2, Unitree B2-W |
| Product Type | Rechargeable Robot Battery |
| Rated Capacity | 40500 mAh |
| Energy Capacity | 2041.2 Wh |
| Rated Voltage | DC 50.4 V |
| Charging Limit Voltage | DC 58.8 V |
| Operating Temperature | -40°C to +80°C |
| Charging Temperature | 0°C to +70°C |
| Fast Charging | Supported (Compatible Fast Charger Required) |
| Full Charging Time | Approximately 1 Hour |
FAQs
Which robots are compatible with this battery?
It is compatible with both the Unitree B2 and Unitree B2-W robots.
What is the battery capacity?
The battery has a 40500mAh rated capacity and 2041.2Wh energy capacity.
Does it support fast charging?
Yes. It supports fast charging when used with a compatible fast charger.
How long does a full charge take?
The battery can be fully charged in approximately 1 hour using a supported fast charger.
Is it suitable for high-temperature environments?
Yes. It is specifically designed for demanding environments such as steel mills, deserts, and hot industrial sites.
What is the maximum operating temperature?
The battery supports operating temperatures up to 80°C.






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