100% New 3.7V 18650 19900mAh high capacity batteries Li-ion lithium battery for flashlight battery Features: The batteries are high quality and durable. Discharge rate, no memory effect. Low reoccurring operation cist, Short -circuit and over-current protection Safe and environmental friendly. Specifications: Battery Size: 18*65mm Battery Model: 18650 Battery Voltage: 3.7V Battery Type: Li-ion Battery Capacity: 19900mAh  Package include: 2/4/6/8/10/20 X 18650 19900mAh battery