Innokin Endura T18II Battery

Key Features:
1300 mAh
Pen style device
With three power settings of 10.5, 12 and 13.5 watts (which Innokin call Cool, Warm and Hot).

To cycle through the power settings, click the fire button three times to power the device off and then hold the button down to cycle through the wattage settings. There are three lights on the battery which show which setting has been selected.
Light 1: 10.5 Watts
Light 2: 12 Watts
Light 3: 13.5 Watts

Pack of 1.