KP 14.8V 18650 Lithium ion 14.4V Rechargeable Battery Pack 4S1P 16.8V Battery for Project Work Industrial Equipment Robotic Vacuum Cleaner Milagrow Redhawk Floor Cleaner Eufy robovac

◆Charged Time : 5-6 hours ◆Duration: 100-180mins ◆The specific time varies according to the machine model and age, most of which last for 2 hours