My iPhone 13 Pro has developed a swollen battery three separate times. Apple replaced the battery each time, roughly three or four months apart, but has not identified or fixed the underlying cause. Because the replacement warranty lasts only 90 days, the problem returns after coverage ends and I'm being asked to pay more than $80 for another repair. The phone hasn't been dropped or exposed to extreme heat, and I use genuine Apple chargers. Is there a way to request a higher-level review, diagnostic inspection, or repair exception without paying for a fourth battery replacement?
3 Answers
Three swollen batteries in the same phone is unusual enough that the phone itself should be investigated, not just fitted with another replacement battery. A fault on the logic board or charging circuitry could be causing excessive charging or heat. Ask for a senior technician or engineering escalation and request that they document the repeated failures on the repair history.
When you contact Apple, emphasize that this is a recurring safety-related failure rather than a normal battery replacement. Bring the repair records and ask for a case to be escalated to a senior advisor or hardware engineering team. They may be more willing to offer a replacement device or warranty exception if the repeated repairs are clearly documented.
It could still be related to usage conditions, especially prolonged heat, being left in a car, or charging in a hot environment. But if those possibilities have genuinely been ruled out, three failures point more toward a device defect than ordinary battery wear.

The phone hasn’t been dropped or left in hot conditions, and I’ve already replaced the charger with a genuine Apple charger. I also don’t use low-power mode as a workaround, so there doesn’t seem to be an obvious external cause.