The Sony Energy VTC4 is one of the premium E-Cigerrete batteries on the market today with it's 2100Mah Capcity and tested 30A Continuous draw. . 
Our batteries have been tested by Mooch  https://www.facebook.com/batterymooch/  himself, and have been verified as authentic and high performing cells.  We will be testing each bach to ensure ongoing authenticity. 
Authenticity is 100% guranteed or your money back. 

Brand: Sony
Model: VTC4
Dimensions: 18.20mm x 64.86mm
Weight: 45.3g
Size: 18650
Chemistry: NMC
Nominal Capacity: 3000mAh
Nominal Voltage: 3.6V
Discharge: 30A Max Continuous
Positive: Flat
Protected: No
Rechargeable: Yes
Standard Charging Current: 1A
Max Charging Current: 4A
Charging Voltage: 4.20+-0.05V
Internal Resistance: <20 milliohms

Due to the nature of these cells, we do not accept returns unless found unfuctional on arrival.  You have 3 business days to contact us once the product has arrived and found them unsatisfactory.