Humanoids
UBTech showed Walker S2 taking out and changing its own battery without a person's help.
A dated step forward on the record · Company-reported
What the source says
“Walker's ability to autonomously change its batteries, enabling almost entirely human-free operation.”
What it means
Walker S2, from UBTech Robotics, is at stage 4 of 5 on our ladder: paying customers. Its stage is set by other milestones on its record; this one adds to the history. This line rests on the company's own announcement; no regulator, customer or independent report confirms it in our sources yet.
Human help: The maker hasn't said whether people help it remotely.
More on Walker S2
- In its half-year results, UBTech reported selling 921 full-size humanoid robots from January to June 2026, about 20 times as many as a year earlier. The company still lost money.
- Aircraft maker Airbus bought a Walker S2 in early 2026.
- UBTech said its 1,000th Walker S2 came off the line, and that more than 500 were already delivered and working.
- UBTech said it had started mass production and delivery of the first batch of several hundred Walker S2 robots, with orders worth more than 800 million yuan (about $112 million).
- UBTech signed a 250 million yuan (about $35 million) order for Walker robots.