Why does my phone take so long to charge after 90%? A l o t o f p o r t a b l e d e v i c e s w o r k t h a t w a y . . . c h a r g i n g d o e s w o r k o n t h e b a t t e r y a n d p r o d u c e s h e a t , s l o w i n g t h e c h a r g i n g r a t e a l l o w s t h e b a t t e r y t o c o o l a l i t t l e a n d t a k e o n m o r e c h a r g e . A l s o , t h e r i s k o f o v e r c h a r g i n g i s r e d u c e d , w h i c h t h e c h a r g i n g c i r c u i t i s d e s i g n e d t o p r e v e n t . Why is my phone suddenly taking so long to charge? How do I fix the slow charging? Why is it taking forever to charge? Why does my phone take 10 hours to charge? iPhone taking forever to charge iPhone taking forever to charge from dead How to fix slow charging Samsung Phone charging slowly after update Why is my Android phone charging slowly how to fix slow charging usb-c cable Why is my Infinix phone charging slow