That's what I bought for my LB [pics]... I haven't really compared them but they seem to work just fine or the same as the batteries included with the LB.
I got mine today: http://mirrorfap.imgur.com/mflb
It came from PuffItUp.com for $84.10 shipped and comes with a 4pc aluminum grinder & Spearmint Herb.
It's been working great and got used to operating it in 2-3 hits of a half-filled trench. I can clearly see vapor when I exhale too.
I just...