SMRTR Science & EngineeringAug 19, 2026Interesting Engineering

REX G1: China’s humanoid robot packs 22 degrees of freedom and 5-second battery swap

SMRTR summary

Beijing-based RoboScience launched the REX G1, a wheeled humanoid robot designed for warehouses, factories, retail, and homes. It features 22 degrees of freedom, a 22-pound lifting capacity, and can walk, lift, and grasp objects simultaneously. Its hot-swappable battery resumes operation in five seconds, and onboard AI processing reduces reliance on cloud connectivity, making it highly adaptable to existing workplaces without costly infrastructure changes.

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