Why my quad is flying soft time?

Please advise :
My quadricopter Kit Tarot 650, Esc 40A, Motor 640kv, propeller 1555, battery 3S 5400mAh 30C( I have 3 pack are same kind), Total 2Kgs include battery.
It is just flying 4-5 minute.
Attactched file log Mission Planner ( fw pix4io upload by QGC)
Please show me, why it is flying too soft time.

Reed Noel

If you’re running px4io firmware, probably best to post this in the PX4 discuss forum.


Thanks @juzzle1, let me bring this 2pic thru there