The Joyetech Espion Silk is the latest internal battery mod from Joyetech. Rated for 80 watts, it features a layer of soft hypoallergenic padding, making it lightweight and comfortable to hold. It supports 2-amp quick charging and firmware upgradability via micro USB.

The kit also includes the Joyetech NotchCore tank. It is a 22 mm diameter tank that fits 2.5 mL of e-liquid and is compatible with the 0.45 ohm NotchCoil heads. The coils are rated for 20-30 watts and can be easily re-wicked using cotton.


Size: 29.5 mm by 40.0 mm by 120.0 mm
Battery capacity: 2800 mAh
Kit weight: 141.0 g
E-liquid capacity: 2.5 mL
Screen: 0.69-inch OLED display
Output: 1-80 watts
Modes: power / bypass / temp (NI/TI/SS) / TCR (M1/M2/M3)
Resistance range: 0.05-1.5 ohm for TEMP / TCR mode
0.05 – 3.5 ohm for power mode
Kit Contents

NotchCore atomizer
NotchCoil heads (5)
QC USB cable
Warranty card
Warning card
Spare parts