Chinese company UBTech Robotics introduces the Walker S2, which it calls the first humanoid robot capable of swapping out its ...

The Walker S2 humanoid robot, which can change its own battery when it's running low on power, could potentially be left to run on its own forever.

Until now, the robot workforce has had to either be plugged in all of the time, or spend some time cabled to the mains to top up its battery pack. UBTech has launched the Walker S2 humanoid, with dual ...