S5 battery ..unusual

[Gal-s5]

Hello,
I got my phone yesterday. Samsung Galaxy S5 (sm-g900v) Android Version 5.0
It's battery is draining fast since I started using it. There were no downloaded apps initially like facebook , whatsapp, skype etc.
Only basic looking through the phone dropped the battery significantly.
When I checked settings > battery , it showed no culprit app that were eating up the charge. Confused :/

Tried:
Factory reset once
Wiped cache/ partition once
Downloaded several battery saving apps
Adjust brightness , changed the launcher to nova, disabled all amazon and verizon apps and samsung apps.
Airplane mode since yesterday . No sim in this phone right now
Charged 2 times from <20% battery to 100%

 

[BR34KF4ST]

It takes a while for it to settle,give it a few more charges and it should be fine

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