[Jay Kickliter] built his own coin cell battery recharger ... In this case he tailored the charging circuit around MCP73832 IC and chose components best suited for charging his 110 mAh LR2450.

The circuit he’s building here is a solar charger for the super capacitor ... Schottky diode preventing return current to the solar cell, and a DW01 circuit is used to make sure that the ...