- Panel: turns sunlight into DC power.
- Charge controller: protects the battery from overcharging.
- Battery: stores power for the night.
- Inverter: converts DC to AC for ordinary appliances.
Sizing
Each appliance: watts × hours = watt-hours. Divide your daily total by effective sun hours (about 4) and add margin for losses. Try the calculator.
Wiring and batteries can be dangerous — have a qualified electrician install them.