Small solar systems are commonly used for security cameras, outdoor lighting, gates, and remote monitoring equipment. These setups are typically standalone and require careful balancing between panel output and battery storage.
Define continuous load
Security systems often operate continuously. Even low-watt devices can accumulate significant daily energy use.
- Camera wattage × 24 hours
- Lighting runtime per night
- Network or recording equipment load
Use daily watt-hour (Wh) totals to size the system. See:
Solar system sizing methodology.
Battery autonomy
For security systems, reliability is critical. Battery storage should account for:
- Cloudy days
- Winter sun reduction
- Nighttime-only recharge scenarios
Review storage fundamentals:
Solar batteries and power storage.
Panel sizing for small systems
Small standalone systems typically use compact panels sized to replenish daily consumption within available sunlight hours.
Performance considerations:
Solar panel fundamentals.
Backup considerations
In some installations, a small generator or hybrid solution is used as secondary backup for extended low-sun periods.