[pavs]

I think the google patent is on their implementation of the battery design not _All_ implementation of built-in battery design.

[borism]

I don't think Google has it's own battery design.

[jemfinch]

Why are either of you hypothesizing about publicly available data? Read the patent application yourself: http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Se... .