What happens to battery capacity as it ages?

What happens to battery capacity as it ages?

All rechargeable batteries lose some capacity over time, and your GivEnergy battery is no exception. This is expected and covered by warranty.

  • GivEnergy guarantees 70% of usable capacity for the lesser of:

    • 10MWh of energy throughput per 1kWh capacity (about 5,000 full cycles at 90% depth of discharge).

    • 10 years from installation.

  • Some newer models (8.2kWh and 9.5kWh) have unlimited throughput warranties.

  • Firmware updates may also improve how state of charge (SOC) is calculated, restoring apparent capacity.

Troubleshooting:

  • If you see lower capacity readings, it may be due to SOC calculation drift rather than real loss. A calibration may help.

When to Contact Support:

If you believe your battery is performing significantly below its warranty guarantee.


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