Q: I just bought a 6s yesterday amd i noticed when i put it on charge for like 20 minutes it increases by 1% when i take it out of the charger After a few minutes it increases by 10-12%. I know there is nothing wrong with my battery

Hello, Iphone docter. 

Thank you for visiting Apple Support Communities.  

I understand that you have concerns regarding the battery life of your new iPhone 6s.  I would need more information on what you msn by standby, your usage patterns, how you are charging the device and if you restored from a prior backup to provide a better answer.  However, here are some helpful guides on how to increase your battery life with some adjustments to your settings.  

Battery or charging issues

• Learn how to charge your iPhone and iPod touch
• Learn how to charge your iPad
• Get help charging your iPhone, iPad, or iPod touch

• Issue not solved

   

  If you still have an issue with your device, contact Apple Support.

Get help with hardware features on your iPhone, iPad, and iPod touch

Maximizing Battery Life and Lifespan

Cheers