Design A Rechargeable Battery Pack

I need a talented freelancer to create a RECHARGEABLE battery pack (Similar to a Mophie Powerstation) Can be view here & example image attached below. [login to view URL] The battery pack NEEDS have these power output specs: 16.5 Volts x 3.65 Amps x 60 Watts Power Capacity needs to be around 15,000 Mah. Needs to be VERY compact in size. I need the following deliverables provided: 1. Internal Component Blueprint 2. Internal Components with sizes and placement Blueprint After you provide me with these deliverables I will then hand your work over to my designer to design the external shell / casing of the internal hardware.