High Capacity 18650 Lithium Battery With 6800mAh Capacity, 3.7V Output, USB Connectivity, Bluetooth Battery Wire Connectors, And Desktop Fan Design From Stralightcom, $2.95 | DHgate.Com
100% New Ultrafire Battery 18650 Rechargeable Lithium Battery 3.7V 6800mAh Large Capacity Li-ion Battery Flashlight Batteries 2-10Pcs | Wish
ULTRAFIRE 18650 4200 mAh RECHARGEABLE BRC Battery BB-151550B