Introduction: iPhone 16 Pro Max battery issues like rapid drainage and swelling require professional diagnosis and genuine repairs to maintain device safety, performance, and reliability.   In the rhythm of daily life, a smartphone’s battery often sets the pace—yet few things disrupt this flow more than unexpected power drops or device shutdowns. Many users find themselves searching for reliable iPhone repair  shops when their iPhone 16 Pro Max no longer holds a charge as it once did. These battery woes can frustrate even the most patient, but understanding the root of the problem and the solutions available can transform how the device supports everyday demands without frequent interruptions or anxiety.   Diagnosis of rapid draining, bloating, and inaccurate battery percentage issues When an iPhone 16 Pro Max exhibits rapid battery drainage, visible swelling, or erratic battery percentage readings, these symptoms typically reveal underlying hardw...