It charges in the day time(light "off"), and it discharges at night time(light "on") being used. Every 5 seconds is an hour of usage.
FILAMENT BULB-------SUN LIGHT(DAYTIME)
POWER SOURCE------SOLAR CELL
SPDT SWITCH----------DAY/NIGHT TIME
4F CAPACITOR---------RECHARGEABLE BATTERY
BLUE LED----------------NIGHT LIGHT
