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Battery Health & Performance

Battery performance is one of the most important factors when purchasing a refurbished phone. At Phone Exchange, every device is professionally tested using PhoneCheck-certified diagnostics software to ensure reliable battery performance.

✔ Minimum 81% Battery Health Guaranteed at Time of Sale

Devices below this threshold are not listed for sale.

What We Check During Battery Testing

  • Battery Maximum Capacity
    Verified to meet our minimum performance standard.
  • Charging Functionality
    Tested for proper charging speed, port integrity, and stability.
  • Battery Cycle & Health Diagnostics
    Assessed through professional diagnostic tools for long-term performance reliability.
  • Thermal Stability Check
    Device is tested to ensure no abnormal overheating during use.