What Happens If Battery Swells. As the battery expands your device might slowly change shape. That is very dangerous.
IF YOU HAVE ANY DOUBTS ABOUT YOUR ABILITY TO DO SO SAFELY POWER DOWN AND ISOLATE THE DEVICE AND CONSULT A PROFESSIONAL REPAIR TECHNICIAN IMMEDIATELY. Not much complications to it but there is one key thing to remember. A swollen battery has already failed is unfixable and may explode at any time.
This excess oxygen is part of what causes a battery swell.
Remove the Battery Safely. The ever growing pressure can cause damage to the entire device. Battery swelling happens due to a little thing called outgassing which occurs when a battery gets overcharged damaged or simply old. For example your laptop keyboard could start protruding or you may notice your device is suddenly wobbly when you lay it.
