People planning to buy a pre-owned iPhone focus on one important detail: the iPhone battery health. Most buyers look at the battery percentage first. Anything close to 100% feels acceptable. A number like 85% is often misunderstood as a problem. Even if the phone works perfectly fine. But this number is often misunderstood, especially for anyone choosing a premium pre-owned iPhone in India. Here’s a clearer view that’ll make the decision much easier. Before buyers even see a battery percentage, the battery is already tested during inspection. Certified pre-owned iPhones go through charging and discharge checks to see how the battery behaves in real use. The phone is charged, used, and observed for abnormal drain, heating, or sudden drops. Based on this, the device is graded. Phones with stable battery performance are cleared for sale, while unstable ones are rejected or get a battery replacement before grading. What Battery Health Tells You Battery health shows how much cha...