21.6V 2400mAh 18650 Robot Lithium-ion Battery 6S1P – High-capacity, durable power solution engineered for robotics in education, medical, and service industries. Features stable voltage output, advanced protection system, and compact lightweight design (450g) for reliable performance. Ideal for intelligent robots requiring long cycle life, fast charging, and safe operation under wide temperature ranges (-20°C to 60°C). Premium 18650 cells ensure superior energy density and efficiency.More