Purpose-Built Power for the Unitree G1 Humanoid Robot.The Unitree G1 Battery is the official high-capacity power solution for the G1 humanoid platform. Engineered with a self-developed battery management system (BMS) and a 9000mAh rated capacity, it delivers the sustained, reliable power that demanding humanoid robotics research and deployment requires.Compact in form and comprehensive in protection, the G1 Battery integrates seamlessly with the G1 platform and includes a full suite of intelligent safeguards to protect both the battery and the robot across every charge cycle and operational session.Key Specifications Rated capacity: 9000mAh Dimensions: 120mm × 80mm × 182mm Self-developed battery management system (BMS) Power display for real-time charge status monitoring Intelligent Protection Suite Balance charging protection Overcharge protection Over-discharge protection Short circuit protection Battery load detection protection Battery storage self-discharge protection