These authentic Samsung cells are some of the highest quality 18650 batteries out there. 

Samsung 30Q (INR18650-30Q) is an excellent 18650 battery for users who like high capacity without forgoing a lot of discharge (drain capability). 

The Samsung 30Q has 3,000mAh and a maximum discharge current at 15A continuous. 

Specs

• Size: 18650
• Chemistry: Lithium Ion
• Nominal voltage: 3.6V
• Discharge cut-off voltage: 2.5V
• Nominal discharge capacity: 3000mAh
• Charge: 1.50A, 4.20V,CCCV 150mA cut-off
• Discharge: 0.2C, 2.5V discharge cut-off
• Standard charge: CCCV, 1.50A, 4.20 ± 0.05 V, 150mA cut-off
• Rapid charge: CCCV, 4A, 4.20 ± 0.05 V, 100mA cut-off
• Charging time: Standard charge : 180 min / 150mA cut-off Rapid charge: 70 min (at 25 °C) / 100mA cut-off
• Max. continuous discharge: 15A(at 25°C), 60% at 250 cycle
• Cell weight: 48.0g
• Cell dimension: 64.85 ± 0.15mm(H)X18.33 ± 0.07mm(D)

Includes

• 2x Samsung 3.7v 18650 3000mAh Lithium Ion Batteries