Mine is samsung galaxy s6 edge but when i removed it from charger it turns off...what could be the problem ans its battery is

[mershalyn366]

Mine is samsung galaxy s6 edge but when i rwmovw it from charger it turns off..what could be the problem and its battery is inbuilt

 

[webworkings]

If it won't stay on without being plugged in then the battery needs replacing.

 

[parama3500]

Does that mean you can't use the phone unplugged?
If so battery is probably dead. There's a chance that the motherboard and so too would be damaged.
Or probably the port may be damaged.

Give a repair.