SnowWolf Fuel Cell KitFeatures:• Product Size: 20MM X 99.5MM • Material: Stainless Steel• Working Mode: Constant Power• OutputInput Voltage:3.2V- 4.2VOutput• Voltage: 3.6VSupport• Battery Model: 18350• Support Atomizer Resistance Range- 1.6 OHM• Atomizer Capacity: 3.8ML• Puff Capacity: 600 Puffs• Charging Current: 280mA• Charging Voltage: DC +5V• Recommended Adaptor: 5V/500mAIncludes:• 2x Fuel Cells•  Battery•  10ML E-liquid•  USB Cable