Now shipping - Cloudsto X86 Nano Mini Windows 8.1 PC with built in battery
It's the size of an iphone 6+ with an Intel Z3735 Baytrail CPU, 2GB RAM, 32GB Storage and 3000mAh battery, this tiny PC is perfect for portable operation and replacing traditional desktop computers in many situations.
http://www.cloudsto.com/products/windows-mini-pc-s/cloudsto-x86-nano-mini-pc-intel-baytrail-mini-pc-with-windows-8-1-internal-battery-detail.html