Hi, phone geeks on nairaland. My Phone is slow in charging (takes up to 4hrs to reach full charge from 0%).


Checking the battery rating, it has a limited charging voltage of about 4.2 and a 2A current.

Checking the internet, I found out that the Limited charging voltage is the highest no of charging volts you should use to charge your phone.

All the chargers i've tried have a rating of 5v or more and a current of 500mA - 2A.


Now my question is what is the effect of charging with a lower current? Does it affect the charging speed? What negative effect will it have on the phone?

For the higher voltage, What is the risk of damaging the phone?


I currently have a roommate whose phone didn't reach the home screen as it keeps rebooting when displaying the brand name. The phone have been given to different engineers but couldn't be repaired because its an IC problem. According to my roommate, the problem started after he used someone's charger to charge the phone and apparently, the charger damaged the phone.a


The same thing described above happened to my phone this morning but it later booted. I charged it to about 90% from 40%+ with a charger of 5v and 550mA while the phone have a rating of 4.35v and 2A. What's your take on this. Thanks.