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Official replacement battery for the Unitree Go2 quadruped robot. The Standard Version BT2‑05 offers a capacity of 8000 mAh (236.8 Wh), a nominal voltage of 29.6 V, intelligent BMS, and 8-fold protection. Typical runtime on the Go2 is 1–2 h depending on usage mode.
The Unitree Go2 Standard Version (BT2‑05) battery is an original smart battery pack for the Unitree Go2 robotic dog. Thanks to its high 8000 mAh capacity and advanced Battery Management System (BMS), it delivers stable performance even during demanding maneuvers. A design with eight safety protections ensures reliability and long service life in the field and in education.
| Parameter | Value |
|---|---|
| Model | BT2‑05 (Standard Version) |
| Nominal voltage | DC 29.6 V |
| Charge voltage limit | DC 33.6 V |
| Capacity / energy | 8000 mAh / 236.8 Wh |
| Recommended charging current | 3.5–9 A |
| Typical charging time | ~2 h (with standard 33.6 V / 3.5 A charger) |
| Dimensions | 120 × 80 × 182 mm |
| Weight | approx. 2.5 kg |
| Standard | IS 16046 (Part 2) / IEC 62133‑2 |
| Compatibility | Unitree Go2 (Air, Pro, Edu) |
| Parameters verified per manufacturer and user manual; weight per Go2 technical overview. Actual runtime depends on load, environment, and configuration. |
The integrated BMS protects the battery and the robot with the following functions: storage and self-discharge protection, balancing charge, overcharge protection, charging temperature protection, charging current protection, short-circuit protection, overdischarge protection, and load detection.