note4 charger not charging

[speedspeed]

hi
when connect charger its showing fast charging on telephone
but percentage only going down
other charger is working
how i can check/measure this charger?

 

[anon(238680)]

You can measure the direct output with a VOM, which would be the most accurate. There is an app called Ampere in the Play store that will show charging stats on the phone while being charged.

 

[speedspeed]

seems to be the cable
tried a diferent cable and now its charging
how could it be showing fast charging on phone but not charging?