Your mobile phone battery operates your phone by essentially conducting an chemical reaction. The chemical reaction is continuously running and when the chemical reaction stops, your phone goes dead (as all of us have experience at one point or another). Mobile phones use a lithium-ion battery which has a positive...
There comes a time in every iPhone’s life that the battery will need to be replaced. Rechargeable batteries are great but they do not last forever and you can thank the second law of thermodynamics. Essentially, any time a battery is charged or discharged, energy is not conserved and a...