An incredibly performing battery, the Samsung 30T is an amazing battery that outperforms all 18650 and 20700 batteries.
Right now this is the best performing cell available to for higher power levels and unregulated/mech mod users. The 30T is a true 35A 3000mAh 21700 cell that hits harder than any other round battery around.
What to learn more about the performance of the Samsung 30T 21700 battery, Checkout this article
Note: Price is per piece
You must have an appropriate understanding of lithium-ion batteries before purchasing. Use caution when working with and using lithium-ion batteries as they may explode, burn, cause a fire or worse if misused or mishandled. Never leave batteries charging unattended. BlueVape is not responsible for any damage or injury caused by misuse or mishandling lithium-ion batteries and chargers. No express or implied guarantee of compatibility with any device can be made. Charge only with a smart charger designed for this specific type of lithium-ion battery. State regulations and laws pertaining to the recycling and disposal of lithium-ion batteries vary so please check with your local council.
Do not mix and match old and new, used and unused batteries.