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How do you store LiFePO4 batteries when not in use?

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To properly store LiFePO4 batteries like DEESPAEK when not in use, you should follow a few key guidelines to maximize their lifespan and performance:

1. Temperature Control

  • Ideal Storage Temperature: Store the batteries in a cool, dry place, ideally between 15°C to 25°C (59°F to 77°F). Lower temperatures can reduce the battery’s aging process, while higher temperatures may accelerate it.
  • Avoid Extreme Temperatures: Do not expose the batteries to temperatures below 0°C (32°F) or above 45°C (113°F) for extended periods, as this can degrade the battery’s chemistry.

2. Charge Level Maintenance

  • Optimal Charge Level: Before storing, charge the batteries to about 50% to 80% of their capacity. Storing fully charged or completely discharged batteries can lead to capacity loss over time.
  • Periodic Checks: If storing for an extended period (several months), check the charge level every 3 to 6 months and recharge to the optimal level if necessary.

3. Humidity and Environment

  • Dry Environment: Ensure the storage area is dry, with humidity levels below 50%. Excessive moisture can lead to corrosion and other damage to the battery.
  • Avoid Sunlight: Store the batteries indoors, away from direct sunlight, to prevent temperature fluctuations and potential damage from UV exposure.

4. Storage Practices

  • Isolate from Conductive Materials: Store batteries in a way that they do not come into contact with any conductive materials, which could cause short circuits.
  • Use Proper Containers: If possible, store the batteries in their original packaging or a dedicated battery storage case to protect them from physical damage.

5. Regular Monitoring

  • Routine Checks: Regularly inspect the stored batteries for any signs of swelling, leakage, or other damage. Address any issues immediately to prevent further degradation.
  • Recharging After Long Storage: When ready to use the batteries again, fully recharge them before putting them back into service.

By following these steps, you can ensure that your DEESPAEK LiFePO4 batteries remain in optimal condition, ready to deliver reliable power when needed. Proper storage is crucial for maintaining battery health and performance over the long term.

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