Listman IMR 18650 3500mAh 30A Flat Top Li-ion Rechargeable Battery, Best choice for your 18650 battery MOD. 2pcs each pack. Speicfications Model Name: Listman 18650 30A Nominal Capacity: 3500mAh Nominal Voltage: 3.7V Charging time: Standard charge:180min/100mA cut-off Rapid charge:50min/100mA cut off Continuous discharge: Max:30A Continuous:20A Usage: Ecig mod/Flashlight/Ebike Cell dimension : Heigh: 64.85 ±0.15mm Diameter: 18.33 ±0.0 Operating temperature: Charge:0 to 50C Discharge: -20 to 75C Storage Temperature: 1 year: -20-25C(1*) 3 months: -20~45C(1*) 1 month: -20~50C(1*) Battery Advantage: 1, High energy density 2, High working voltage for single battery cells 3, Pollution-free 4, Long cycle life 5, No memory effect 6, Capacity, resistance, Voltage, platform time consistency is good 7, With short-circuit production function, safe and reliable 8, Factory price& High quality 9, Good consistency, low self discharge 10, Light weight, small size