Description
Genuine Unitree smart battery (model BT2-05) for all Go2 variants — the everyday pack that ships with Go2 Air/Pro. BMS-managed, quick-swap, with charge-level LEDs. Spare batteries ship under dangerous-goods rules (cargo/sea), which we handle for you.
Specifications
- Model: BT2-05
- Capacity: 8,000 mAh / 236.8 Wh
- Nominal voltage: 29.6 V; charge limit 33.6 V
- Dimensions: 120 × 80 × 182 mm
- Runtime in Go2: ~1–2 h
- Standard: IEC 62133-2
Good for / Not for
Good for: Go2 owners who want a rotation spare for longer sessions; replacing an ageing standard pack. Not for: robots other than the Unitree Go2 family; buyers expecting passenger-air delivery — loose lithium batteries are restricted and ship by compliant freight.
What is included
One BT2-05 battery. Chargers are not included unless our confirmation email states otherwise.
Delivery, total cost & warranty
Ships from Zhangzhou, China as dangerous goods (cargo or sea freight). Shipping cost and timing are confirmed by email for your destination before payment. Warranty follows Unitree’s manufacturer terms; PupRobot helps coordinate claims by email at [email protected].
Product FAQ
Q: Which Go2 models does it fit?
A: The BT2-05 is the standard battery across the Go2 family (Air, Pro and EDU configurations that use the standard pack).
Q: Why can’t it just ship by air mail?
A: Loose lithium batteries above airline limits must move as dangerous goods. We arrange compliant cargo or sea freight and confirm the timing in your quote email.
Q: How does ordering work?
A: Place the order here (no payment is taken). We reply by email to confirm the final total. You pay only after accepting that confirmation.
Sources & verification
Specifications are from Unitree’s published product data, checked November 2026.
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