Introduction
Although some lead-acid batteries are maintenance-free, regular inspection remains essential.
1. Visual Inspection
Check for:
- Terminal corrosion
- Swelling
- Loose connections
2. Voltage and Capacity Monitoring
- Measure resting voltage
- Track capacity decline
- Identify weak batteries early
3. Equalization Charging (When Applicable)
For flooded batteries:
- Perform periodic equalization
- Prevent electrolyte stratification
4. Cleaning and Connection Tightening
Dirty terminals increase resistance and energy loss.
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Conclusion
Routine maintenance significantly extends battery service life and ensures stable solar system operation.
