batery system

Please click below to visit our Kickstarter project page for Power Stacker, and pre-order a production model! http://www.kickstarter.com/projects/249225636/powe… Power Stacker is a portable, modular, USB rechargeable lithium-ion battery pack. Stack them together for power hungry projects or separate them for smaller projects with this modular system. The Gerber, BOM, and .STL files are available below. […]