Q: iPhone 6 Plus battery

Hi AdrianMinajj, 

Congratulations on the new iPhone 6 Plus! I have an iPhone as well and I depend on getting the most out of the battery. I will be happy to provide some information for you to help optimize the settings for the battery. 

In the, Maximizing Battery Life and Lifespan article, you'll want to pay special attention to the section titled, "Tips for iPhone, iPad, and iPod touch" These settings are important for good battery performance. 

Adjust the display settings on your iPhone, iPad, or iPod touch, this one is great to help ensure you optimize the settings for brightness. 

Keeping iPhone, iPad, and iPod touch within acceptable operating temperatures, another article that goes over helpful information in regards to battery life.

This article, Why Lithium-ion?, goes over information in regards to charging the battery that you may find helpful. 

Have a good one! 

Thanks for responding back and for doing the above mentioned steps, AdrianMinajj. The next step would be to make a backup of the iPhone and restore the device to factory settings and set up as new. 

How to back up your iPhone, iPad, and iPod touch

Use iTunes on your Mac or PC to restore your iPhone, iPad, or iPod to factory settings

Once you have the iPhone set up as new, then test out the battery life., If you are still having issues with the battery, iPhone Repair.

Cheers!