High Stability:
The output wattage is in high stability. It can also be up to the high output wattage even in the case of low power.

Switch the VV/VW mode:
Press the square button for three times to switch the VV/VW mode when the battery is turned on.

How to charge:
iStick is charged through USB port at the bottom. One can take puffs while it is being charged.
iStick supports charging with 1A wall adaptor which is more fast.

eGo Threading Connector:
The eGo threading connector makes iStick battery available with any atomizer with eGo threading.

Eleaf iStick official authorized distributor website here.