LG HG2 Brown 18650mah Battery

The battery ratings for this unit are as follows:-

Manufacturer - LG

Mooch rating - 18A / 3000MAH

REMEMBER BATTERY SAFETY!
Do not overcharge or over-discharge.
Do not short circuit your batteries.
Do not let your batteries touch each other or other metallic items. 
Do not dispose any battery in a fire.

Credit - Mooch ratings data taken from Mooch's blog on E-Cigarette Forum.