Boost Converter

Here is the design:

http://opencircuitinstitute.org/content/solar-battery-charger

Here is a recording (with commentary) of the entire design (I don't really go in to theory here, however):

Solar Battery Charger - Component Selection

Solar Battery Charger - Schematic Layout

Solar Battery Charger - Circuit Layout

I created a calculator page to automatically generate component values for the circuit based off of desired characteristics.

http://opencircuitinstitute.org/content/boost-converter-component-calculator

Just wanted to let you gents know that this exists now.