If you want to make a basic solar cell, all you'll need is a few household items, titanium dioxide, and conductive glass. Use the batteries to make any battery-powered device solar powered. Construct a small, portable solar panel that will charge two AA rechargeable batteries in a day or two. Assemble the cells in a desired configuration to maximize light exposure;. Building micro solar panels involves a systematic approach that encompasses several crucial steps: a) Selecting appropriate materials for efficiency, b) Understanding the photovoltaic effect, c) Fabricating the solar cells, d) Assembling the components into a working panel. Read Low-tech Magazine offline.