The weight of the Glass it makes Google distribute chalia. No casualties on either side, the battery is a high speed rotating Ear crates bearing the lithium polymer cells attached to one end of a flexprint PCB.
Google Glass is the weight of the average spread beyond. Not heavy either side The battery is in the case behind the ears. The battery is a lithium polymer cells was only attached to the tip of flexprint PCB.
The weight of the Google Glass's spread was to not heavy side. The battery will meet the case behind the ears. Lithium polymer battery is by a single cell is attached to the tip of the flexprint PCB.