[A120]Battery Not charging Properly ,mA flow is randomand gets too low

[kcala]

Please help see video
while charging mA gets low in every 10 sec
varry from 730mA to 90mA
video recorded at 5X speed
youtu.be/n7B-O7QDFYo
I have stock kitkat rom
rooted
charger is in good condition bcz i have two A120 mobile works fine in other one and battery is in good condition too