Battery health helps describe a used iPhone, but it cannot tell you its selling price on its own. A phone at 85% with a clean screen and working Face ID is a different proposition from one with the same battery reading and a display fault.
Read the percentage together with any warning
In Settings, open Battery and the battery-health information available for your model. Note maximum capacity and any service or performance message. The menu wording varies by model and software version. Mention unexpected shutdowns or charging problems even when the percentage looks reassuring.
Apple describes battery capacity and charge-cycle expectations in its battery and performance guidance. Its 80% reference is not a Kwik resale formula. There is no universal dinar deduction for reaching that number.
Look at the whole phone
For a Kuwait buyback review, provide the model, storage, regional version, cosmetic condition and working features alongside the battery information. Previous repairs and parts warnings also deserve a clear description. Use the condition guide, but ask for review if a battery fault means the phone is not fully functional.
Should you replace the battery before selling?
Request an assessment of the phone as it is first. Then compare the replacement cost with any confirmed difference in the offer. A replacement is not automatically profitable, and an unverified part can create further questions during inspection.
Check your exact iPhone model. Where a rate is unavailable or a fault needs review, contact Kwik. The final offer depends on inspection and your acceptance, not just a screenshot of the battery page.
Be accurate about the condition
Do not hide a warning or select another model to get a higher estimate. You can explain a low reading without assuming the phone has no value. Before handover, follow the data preparation checklist after saving the information needed for the review.