Make sure you put a trusted battery brand in your precious box mod. The Hohm Life V4 18650 battery by Hohmtech is a quality INR flat-top battery with a 3015 mAh capacity that'll provide plenty of power for your device. Features: 3015 mAh capacity INR Flat Top Battery 3.7 V Nominal Voltage 22.1 A Max Continuous Discharge 31.5 A Max 63W Per Cell Warning: Battery has potential to catch fire if mistreated. Do not expose to water or fire. Do not short circuit. Keep out of reach of children. Dispose if protective wrap is torn or shows any signs of wear. Do not carry batteries in pocket or purse containing metal objects. Transport batteries in proper battery case.