How long do solar batteries last?

Solar Battery Lifespan

Modern lithium-ion batteries used in home solar systems are designed for longevity, with most quality systems lasting 10-15+ years.

Expected Lifespans

• GivEnergy batteries: 12-year warranty, expected 15+ year lifespan
• Fox ESS batteries: 10-year warranty, expected 12-15 year lifespan
• Solax Triple Power: 10-year warranty, expected 12-15 year lifespan

Cycle Life

Batteries are rated for a number of charge/discharge cycles. Quality batteries offer 6,000-10,000 cycles, equivalent to cycling once or twice daily for 15-20+ years.

Degradation Over Time

Like all batteries, solar batteries gradually lose capacity over time. After 10 years, expect around 70-80% of original capacity remaining - still perfectly functional for typical household use.

Maximising Battery Life

• Keep battery in temperature-controlled space
• Avoid constant full charge/discharge cycles
• Follow manufacturer maintenance guidelines
• Use the monitoring app to track battery health