Unitree B2-W Standard Battery
- Designed for B2-W Systems – Standard high-performance battery engineered for seamless compatibility with the B2-W robotic platform and fully compatible with B2 systems.
- High-Capacity 37,800mAh Battery – Provides a powerful 37,800mAh capacity for extended operation and dependable field performance.
- 1852.2Wh Energy Output – Delivers 1852.2Wh of energy for stable, efficient power in demanding industrial applications.
- 50.4V Rated Voltage – Operates at a DC 50.4V rated voltage, ensuring consistent and reliable power delivery.
- 58.8V Charging Support – Supports a maximum DC 58.8V charging voltage for safe and efficient battery charging.
- Extreme Temperature Performance – Built to operate reliably in harsh environments with a working temperature range of -40°C to +60°C.
- Cold-Weather Charging Capability – Can be charged in temperatures ranging from -20°C to +60°C, making it ideal for challenging outdoor conditions.
- Compatible with B2 & B2-W – Supplied as the standard battery for B2-W and can also be used with the B2 robotic platform.
- Reliable Industrial Power – Engineered to deliver stable, long-lasting power for robotics, inspections, security, and industrial automation.
- Optimized for Harsh Environments – Designed for professionals who require dependable battery performance in extreme hot and cold operating conditions.
- Trusted dealerDirect manufacturer partnership
- Pan-India deliveryInsured shipping, all states
- Post-sale supportTraining + service included
What makes it work
Unitree B2-W Standard Battery
High-Capacity 37,800mAh Power Pack for the B2-W and B2 Robotic Platforms
Full Specifications
| Specification | Details |
|---|---|
| Model | BT2-10 |
| Rated Capacity | 37,800mAh |
| Energy | 1852.2Wh |
| Rated Voltage | DC 50.4V |
| Charging Limit Voltage | DC 58.8V |
| Working Temperature | -40°C to +60°C |
| Charging Temperature | -20°C to +60°C |
| Status Indicator | 4-segment LED battery-level gauge with power button |
| Specification | Details |
|---|---|
| Primary Platform | Supplied as the standard battery for the Unitree B2-W |
| Also Compatible With | Unitree B2 |
| Extreme Cold-Weather Charging | This battery (BT2-10) charges down to -20°C. For more reliable charging performance in environments consistently below 0°C, Unitree's BT2-11 variant is recommended instead — it trades some capacity and battery life for improved cold-weather charging reliability |
Genuine Power for Demanding Field Work
Engineered for the B2-W — and the B2
This is the genuine standard battery shipped with the Unitree B2-W wheeled-leg quadruped, delivering 37,800mAh of capacity and 1852.2Wh of energy at a rated 50.4V. It's built to keep pace with the B2-W's payload and runtime demands in real industrial and field deployments, not just short indoor demos.
The same battery is also compatible with the standard Unitree B2, making it a practical spare or fleet-wide replacement part if you're running both platforms. A wide -40°C to +60°C working temperature range and -20°C to +60°C charging range mean it holds up in genuinely harsh outdoor conditions.
37,800mAh, 1852.2Wh
High-capacity power supports extended field sessions without frequent battery swaps.
-40°C to +60°C Working Range
Built for genuinely harsh outdoor deployments, not just controlled indoor use.
B2-W & B2 Compatible
A single spare part covers both platforms, simplifying fleet maintenance and spares planning.
Safe, Regulated Charging
A defined 58.8V charging limit voltage ensures safe, consistent charging behavior.
See Every Detail
Built for Quick Swaps in the Field
A recessed handle and simple push-button LED gauge let operators check charge level and swap batteries quickly between missions — practical details for teams running the B2-W or B2 across long shifts or multi-battery rotations.
Built for Reliable Industrial Power
Engineered to keep the B2-W and B2 platforms running through long, demanding field deployments.
37,800mAh, 1852.2Wh
High-capacity power supports extended runtime for demanding industrial and research missions.
-40°C to +60°C Working Range
Rated to perform reliably across an unusually wide temperature range for genuine field use.
Works With B2-W & B2
One battery part number covers both platforms, simplifying spares and fleet maintenance.
Defined 58.8V Charging Limit
A regulated charging voltage ceiling supports safe, consistent recharging behavior.
4-Segment LED Gauge
A one-touch power button and LED indicator make checking remaining charge quick and simple.
Recessed Carrying Handle
A built-in handle supports fast, easy battery swaps during field operations.
Built for Teams Running B2-W & B2 Fleets
This battery suits operators who need genuine, dependable spare power for extended or extreme-condition deployments.
Industrial Inspection Fleets
A dependable spare or replacement battery keeps B2-W and B2 units running across shifts.
Security & Surveillance Operations
Extended runtime and quick swaps support longer, uninterrupted patrol coverage.
Extreme-Climate Field Work
A -40°C to +60°C working range holds up where standard batteries would fail.
Research & Robotics Labs
A genuine spare part ensures consistent, predictable power behavior for testing and development.
Fleet Spares & Maintenance Planning
Compatible with both B2-W and B2, simplifying spare-parts inventory across mixed fleets.
See the Platform This Battery Powers
This battery isn't sold with its own review videos, so here's the B2-W platform it powers in real-world action.
Frequently Asked Questions
Does this battery work with the Unitree B2 as well as the B2-W?
Can this battery charge in below-freezing temperatures?
What's the actual capacity and runtime this battery provides?
Is this a genuine Unitree part?
How do I check the remaining charge?
The full sheet
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