Sony 18650 VTC5 2600mAh High-drain Battery - 12C 30A is with the capacity of 2600mAh with 40A max current discharge and a nominal voltage of 3.7v. This tpe of batteries also has a lower internal resistance than the regular 18650 battery and deliver a higher voltage under load.
Sony 18650 VTC4 2100mAh High-drain Battery-15C 30, A genuine SONY product. Long storage life, light weight and high energy density, used with Joyetech eVic, VapeOnly MOD, other mods work with 18650 battery.
SAMSUNG INR18650-25R 2500mAh High-drain Battery - 12C, 30A. Long storage life, light weight and high energy density! You can use it with Joyetech eVic, vMecha MOD, and any other mods work with 18650 batteries.