A2 battery, 9000mAh 453.6Wh
The Unitree A2 has two battery slots wired side by side, each holding a 9,000 mAh, 453.6 Wh pack. One pack can be pulled and charged while the other keeps the robot running.
In-houseMade by the robot's own company for its robots. Not sold to anyone else.
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Key numbers
- One pack
- 9,000 mAh, 453.6 Wh
- Two packs
- 907.2 Wh
- Supply voltage
- 50.4 V
- Slots
- 2, hot-swappable
- Claimed run time, no load
- Over 5 hours, about 20 km
- Claimed run time, 25 kg load
- Over 3 hours, about 12.5 km
Unitree, A2 product pageunitree.com, saved copy
How to get it
In-houseComes with the robot; Unitree's store does not list it as a separate part.
It cannot be bought on its own. To get one, you would buy a robot that has it, from the list below.
Unitree
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Numbers and listed prices on this page come from the sources shown. Anything marked as our analysis, our read or our estimate is our own view and has not been confirmed by any company. Last checked 9 Nov 2026. How we verify
