Because of the rapid development of smart phone industry, more and more people have one or more cell phones and many battery issues occur after a no-long time after you use the phone, such as deformation, run out of capacity, over heat etc. Usually replacing a battery can settle this matter in a very common way.
Here arises another problem, How to judge a cell phone battery good or bad? As many years of professional cell phone parts sourcing and recycling solution provider, what follows is right the way we test cell phone batteries.
First of all, we need to check the cosmetic appearance. A fine cellular phone battery characters with no oil stains, smudges, scratches, convex-concave points on the surface and no cracks on input and output point. Besides, another important region which is often neglected is the battery contacts, assure that the battery terminals are not oxidative blackening. And of course, the qualified replacement battery needs to pass the dimension test compared with OEM ones. Continue reading →