My Wife needed a simple drill of her own, so for the price of a really cheap crappy drill I bought a harbor freight solar panel.
Step 1: Items Needed
Step 2: Replacing the Power Source
Replacing the ac/dc transformer wasn't too hard, simply cut the wires and add some quick release wire ends. Just so that I can move the solar panel to another project.
Step 3: Harvest the Power!
even though the panel puts out 24 volts, only 15.5 volts is charging the batteries.
One day of sunshine in the winter is good enough to drive 6 2" screws, but after 4 days charging its good to go for a while.