The Samsung 18650 30Q Battery is a 3000 mAh battery and great for powering high wattage mods, outperforming other 18650 batteries on the market.
Nominal Capacity: 3000 mAh
Nominal Voltage: 3.6V
Discharge End Voltage: 2.5V
Max Continuous Discharging Current: 15A (Independent tests show Maximum 25A)
£6 per battery or 2 for £10