Phone Battery Swelling: Danger and Repair – 10 Vital Things You Must Know Understanding Why Phone Batteries Swell Ever noticed your phone case bulging slightly or your screen lifting? That’s often a sign of phone battery swelling — a common but dangerous issue that many users overlook. This phenomenon happens mostly in lithium-ion batteries, which power nearly every modern smartphone. Swelling occurs when chemical reactions inside the battery generate gas, often due to overcharging, aging, or heat exposure. Over time, these gases build up and push against the outer casing, causing that noticeable bulge.... https://ift.tt/o4SuVnk