Walker S2

UBTECH Robotics · Humanoid · China

Walker S2

Industrial humanoid with Co-Agent AI and autonomous hot-swap battery system. Mass production began late 2025 with major automotive and logistics orders.

Walker S2 specifications

Degrees of freedom52
Weight70 kg
Battery life2.5 h
Payload15 kg
Max speed2.0 m/s
ActuatorsHigh-Torque Brushless Servo Motors
Primary sensor3D LiDAR + Depth Camera + IMU
FunctionAssembly & manufacturing
Released2025
MaturityProduction
StatusActive
Indicative priceEnterprise (orders ¥800M+)

Manufacturer product page

ZeroGantry verdict: 3 out of 5

Walker S2 is China’s industrial humanoid bet: high DoF, hot-swap energy, and big domestic order headlines. Treat production claims as directionally important but audit them before CapEx. The hot-swap idea is more honest than pretending 2.5h is a full shift. Outside China, support and software openness remain the adoption blockers — not the joint count on the datasheet.

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