Originally Posted by giuseppi
I wonder, if you'd have left the heat shrink on the battery, if it would have needed the dime? To anyone running the Hyperion 240mAh 2S it looks like you can leave the heat shrink on.
According to R/C Dude Hobbies, if it's this battery ; Hyperion G3 CX 7.4v 2S 240mah 25C/45C Lipo - it weighs 17g stock.
I use these batteries. They are pretty good as far as balancing the plane. I put them as far forward as possible and they work great for the CG.